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Network transformation outlook
2014-2019
For information to the Belgian Institute for Postal Services and
Telecommunications
Date
Sensitivity
02/12/2014
Unrestricted
Table of contents
Table of contents........................................................................................................................................... 2
1.
Background and Scope of the present document .................................................................... 3
2. The Proximus Mantra program ........................................................................................................ 3
3. Broadband Access Evolution ............................................................................................................ 6
3.1 Broadway ........................................................................................................................................................... 6
3.2 Physical Access Network Evolution...............................................................................................................7
3.3 Wholesale Broadband VDSL2....................................................................................................................... 8
3.4 ATM Outphasing ............................................................................................................................................... 9
3.5 ROP-based ADSL(2+)..................................................................................................................................... 9
4. Data and Capacity Services ............................................................................................................ 10
5. Voice Interconnect Evolution .......................................................................................................... 11
6. Building Outphasing .......................................................................................................................... 15
7.
Fiber To The Home ............................................................................................................................ 19
Proximus public limited company of Belgian Public Law, exercising its activities under the commercial name Proximus, located in
Bd. du Roi Albert II 27, B-1030 Brussels, Belgium,VAT BE 0202.239.951, Brussels Register of Legal Entities, Giro BE50 0001 7100 3118
Page 2 of 19
1.
Background and Scope of the present document
This document is an update of the document “Network transformation outlook” of 2014 and has been
elaborated to answer the request for information of the BIPT as formulated in “la décision du
regroupement des régulateurs du secteur des communications électroniques (CRC) du 1er juillet 2011
concernant l’analyse des marches large bande ».
The present document has been constituted to Proximus’s best knowledge at present of the future
evolutions of its fixed networks taken into account that several matters discussed in the present
document are not covered by detailed or final decisions of the management and/or Board of Directors.
The present document contains the relevant information to what transformations in Proximus’s fixed
network will take place in the coming 5 years that will or might have an impact on the existing wholesale
services and wholesale access points.
Most statements in the present document constitute forward-looking statements. These statements may
include, without limitation, statements concerning future technological evolutions, decisions and
timelines, and statements preceded by, followed by or including the words “believes”, “expects”,
“anticipates” or similar expressions. These forward-looking statements rely on a number of assumptions
concerning future events and evolutions and are subject to uncertainties and other factors, many of
which are outside our control that could cause actual evolutions to differ materially from such
statements.
Data and information in the present document may be subject to re-evaluation, evolution and changes.
Proximus cannot guarantee that this information is complete or that no new information will become
available with an impact in the coming 5 years.
Proximus cannot be held liable for any mistake, omission or any other short coming of the present
information, which has been provided based on our best knowledge and in good faith.
This document doesn’t constitute any binding offer from Proximus and doesn’t contain any commitment
from Proximus.
This document and the information within is made independently of any form of appeal, present and
future, against a decision or a regulatory requirement imposed to Proximus.
2.
The Proximus Mantra program
Proximus’s Mantra program (called “Move to All IP program” in previous years), in this document referred
to as “Mantra”, aims at adapting and transforming the fixed network of Proximus to the global
technological evolution :
•
Evolution of the Fixed Voice network and Voice Service Platforms.
Proximus public limited company of Belgian Public Law, exercising its activities under the commercial name Proximus, located in
Bd. du Roi Albert II 27, B-1030 Brussels, Belgium,VAT BE 0202.239.951, Brussels Register of Legal Entities, Giro BE50 0001 7100 3118
Page 3 of 19
•
Evolution of network technologies (ATM/SDH, Ethernet) and anticipation of the end of life of
multiple legacy technologies.
•
Invest in network simplification to reduce OPEX and increase operational efficiency.
The Mantra network transformation process is being carried out in two phases:
•
The first phase concerns the building of an IP-based network (Broadway and ETHANE) and the
porting/implementation of the Proximus product portfolio (retail and wholesale) on this new
infrastructure.
•
In the second phase, the legacy network technologies will be subject to consolidation and phasing
out in view of optimizing the network infrastructure and deal with the fact that legacy
technologies have become obsolete and without vendor support.
The first phase has been divided into four steps:
•
Deployment of an IP-based access infrastructure based on FTTC and VDSL2 (the ‘Broadway’
project).
•
Deployment of an IP-based aggregation and core network (Ethernet and DWDM). The deployed
IP-based aggregation/core network supports high bandwidths and provides the reliability needed
for future proof services (the ‘Ethane’ and ‘Neon’ projects).
•
Deployment of the IMS platform.
•
Porting most of the Proximus service portfolio on the IP network. This entails both the retail and
the wholesale portfolio of Proximus.
In line with our present expectations, the second phase includes all initiatives aimed at consolidating the
customer installed base on the IP infrastructure and at reducing the operational complexity of managing
several network infrastructures in parallel (one per service).
•
Phasing out of access legacy technologies (Leased Lines in all different flavors, X.25, PDH) and
traffic transition to IP-based infrastructure.
•
Phasing out of core legacy technologies (ATM, SDH, PSTN) and traffic transition to IP-based
infrastructure.
Fig. 1 below gives an overview of “the” Network Simplification program from which parts are already
started or even already finalized.
Proximus public limited company of Belgian Public Law, exercising its activities under the commercial name Proximus, located in
Bd. du Roi Albert II 27, B-1030 Brussels, Belgium,VAT BE 0202.239.951, Brussels Register of Legal Entities, Giro BE50 0001 7100 3118
Page 4 of 19
Mantra Project Scope
implement and deliver “the” network simplification!
Need for a thorough network simplification program as critical enabler of future efficiency
Mantra encloses the
transformation part
of MAIP in order to
deliver the Network
Simplification.
Switching
Outphasing
Program
ATM
Outphasing
Program
MANTRA
Migrations And
Network
TRAnsformation
ISDN
The program
replacement
is supported by
complementary efficiency
initiatives to ease the delivery
of the transformation
Alternatives to
copper legacy
services
Building
Outphasing
Program
Migrations
Coordination
Center
(MCC)
4
Figure 1: Network Simplification
The Mantra programme will have an impact on the Wholesale services currently offered by Proximus.
Below we enumerate the most important expected impacts:
•
Broadband Access services: The ATM-based BROBA services have been transformed to
Ethernet-based BROBA services in order to meet the global technological evolution towards
Ethernet.
•
ATM is almost fully phased out and replaced by Ethernet as uniform medium for access
technologies such as ADSL, ADSL2+, VDSL2 and SDSL.
•
Data and Capacity services: migration from BILAN and Leased Lines to Ethernet based services.
•
Voice Interconnect: as the complete voice network will migrate to an IMS based infrastructure,
the current TDM interconnection model between Proximus and third party operators will evolve
to an IP Interconnect model.
•
Local Loop Unbundling services: as a number of LEX buildings will be closed, the co-location and
services delivered in and from these buildings will have to be terminated and/or migrated to
alternative offers.
The Mantra program will have a different impact on each of the wholesale customers. In that perspective,
Proximus holds, since 2010, recurrent meetings with the wholesale customers in order to:
•
Inform the wholesale customers about the products that will out-phase and about the future
products.
•
Give them guidance on possibilities for evolution scenarios.
Proximus public limited company of Belgian Public Law, exercising its activities under the commercial name Proximus, located in
Bd. du Roi Albert II 27, B-1030 Brussels, Belgium,VAT BE 0202.239.951, Brussels Register of Legal Entities, Giro BE50 0001 7100 3118
Page 5 of 19
•
Discuss with them the lists of impacted lines and create a migration plan for these.
The removal of the older data networks (ATM) and the legacy telephone exchanges (Alcatel and
Siemens) are key enablers to sell off a number of large technical buildings in city centers as described in
chapter 6 “Building Outphasing”.
However the long term ambition of Proximus is to make one quarter of the copper (feeder) network
redundant and to dispose of a further one-third of the total technical surface area located in smaller
buildings from 2020 onwards which implies that the related works for “Mantra+” will start from 2017
onwards. At that stage, the technology will be located mainly in existing street cabinets, supplemented
with newly designed small containers.
3.
Broadband Access Evolution
Preliminary, statements in this chapter concern the technologies and services in general in Belgium.
Specific circumstances may exist in outphased buildings as described in Chapter 6.
Proximus continues to deploy Fibre-to-the-Curb in selected areas (referred to as “Broadway” areas),
allowing to extend the VDSL2 service coverage.
The impact of this evolution on wholesale access services is twofold:
1.
LEX based unbundling model becomes obsolete (which is confirmed by the fact that certain MDF
sites will be closed down).
2. The BROBA over ATM reference offer became obsolete and evolved to:
3.1
a.
either a wholesale broadband access service (WBA) for VDSL2 connectivity which is
always Ethernet based,
b.
either a BROBA over Ethernet service for ADSL(2+) and SDSL connectivity.
Broadway
VDSL2 coverage
Proximus announced its Broadway plans publicly in 2004 with an initial target coverage for VDSL2 of
46%. This coverage target was progressively increased, so that Proximus has reached by end September
2014 an effective service coverage for VDSL2 of 90,1 %.
In order to reach coverage percentage targeted, infrastructure works are conducted by Proximus in
several regions in parallel. The exact deployment depends on the progress of these works and timing
required to obtain the necessary permits. Information on a more detailed basis regarding availability is
provided if, where and to the extent relevant in the context of the existing wholesale access services.
The coverage as well as the attainable speeds with VDSL2 depend on attenuation and distance. For the
current attenuation- and distance limits, please refer to the WBA offer published on PXS’s web site.
Proximus public limited company of Belgian Public Law, exercising its activities under the commercial name Proximus, located in
Bd. du Roi Albert II 27, B-1030 Brussels, Belgium,VAT BE 0202.239.951, Brussels Register of Legal Entities, Giro BE50 0001 7100 3118
Page 6 of 19
VDSL2 speeds
In 2010, the use of spectrum for VDSL2 has been increased to 17 Mhz allowing attainable provisioning
speed up to 30 Mbps downstream & up to 6 Mbps upstream.
Since March 2012, Proximus also applies the DLM (Dynamic Line Management) process to the VDSL2
lines, boosting part of its park to up to 50 Mbps downstream speeds. (up to 70 Mbps downstream since
March 2013). The DLM allows part of the VDSL2 lines to benefit from higher bit rates than expected
according to the provisioning rules based on loop length and attenuation, without increasing significantly
the risk for transmission errors or instabilities.
Since November 2014, Proximus also applies the DLM process to increase upstream speeds up to
10 Mbps.
In collaboration with some experienced VDSL2 equipment manufacturers Proximus is now upgrading its
VDSL2 network and started early 2014 with the roll-out of a new technology called vectoring. Based on
new VDSL2 ISAM cards, the vectoring allows provisioning rules with guaranteed video grade speeds of
50 Mbps and internet speeds up to 70 Mbps by neutralizing interferences between copper pairs lying in
the same cable.
In the coming years, Proximus could implement solutions to upgrade its VDSL2 network further. In this
respect, the following solutions might be investigated:



Further increase of downstream speeds and higher upstream speeds.
Develop and implement upstream vectoring.
VDSL Boost Box (VBB), to reduce the copper distance between the ROP and the customers.

Pair bonding, to allow the use of several copper pairs to further increase downstream and
upstream speeds is no longer envisaged to be developed for residential end-user oriented
services.
FTTdp (G.fast), to reduce copper distances, avoid the hassle of fibre introduction cables and to
deliver higher downstream and upstream speeds.

3.2
Physical Access Network Evolution
As Proximus is deploying a fibre network to the vicinity of the Street Cabinet (KVD, Borne), by installing
Remote Optical Platform units (ROP) next to those Street Cabinets, the MDF functionality in the Local
Exchange (LEX) will be lesser and lesser used.
Therefore, as part of its roll-out, Proximus expects to be able to dismantle a number of the local
exchange buildings. Hence the current co-location and unbundling services at the LEX will be terminated
or largely reduced, pursuant the regulatory framework as defined in the relevant regulated reference
offers and the respective contracts.
In order to support the long term target of the disappearance of the MDF functionality in the Local
Exchange building (LEX), Proximus might reduce renewal investments in the copper feeder network by
gradually outphasing copper feeder cables if and where they must be renewed (eg triggered by
roadworks or cable damage).
Proximus public limited company of Belgian Public Law, exercising its activities under the commercial name Proximus, located in
Bd. du Roi Albert II 27, B-1030 Brussels, Belgium,VAT BE 0202.239.951, Brussels Register of Legal Entities, Giro BE50 0001 7100 3118
Page 7 of 19
The figure below gives an overview of the most important elements in the new access network, as well as
the respective elements.
3.3
Wholesale Broadband VDSL2
The Wholesale Bitstream Access (WBA) VDSL2 service allows the alternative player to connect his End
Users onto the Proximus network at a Proximus Service PoP using VDSL2 technology. The end-to-end
transport between the end-user and the beneficiary is based on Ethernet.
Impacts of the vectoring technology over the WBA service
The application of vectoring on the VDSL2 lines is not compatible with the delivery of ISDN services on
VDSL2 lines. As a result, from 01/01/2013:

Ordering of new WBA products on end-user lines with ISDN service is not possible anymore.
Ordering WBA on another pair will remain possible: WBA VDSL2 without Voice or WBA VDSL2
with Voice on PSTN.

Proximus almost finished uncoupling the existing configurations where both WBA VDSL2 and
an ISDN service are offered on the same copper pair. The ISDN service is moved on another
pair, without impact on the WBA VDSL2 service of the end-user.
(Please refer to the WBA offer for further details)
Proximus public limited company of Belgian Public Law, exercising its activities under the commercial name Proximus, located in
Bd. du Roi Albert II 27, B-1030 Brussels, Belgium,VAT BE 0202.239.951, Brussels Register of Legal Entities, Giro BE50 0001 7100 3118
Page 8 of 19
The speed of VDSL2 lines which are not equipped with a VDSL2 CPE which is at least “vector-friendly”
and which is whitelisted at the moment of the activation of vectoring on the ROP concerned will be
reduced to a Fall-back speed of 7,5 Mbps downstream.
3.4
ATM Outphasing
At the transport network level, Proximus’s objective is to consolidate the traffic on a common IP-based
infrastructure. Hence ATM outphasing was the most cost-effective path for the future. Proximus
implemented the following strategy to accomplish this technological transformation:

Alcatel R5 Gigabit Ethernet NT cards have been installed in R5 DSLAM, and cover the whole
Belgium since mid-2011.

DSL traffic was mapped from ATM to Ethernet backbone.

Extension of BROBA ADSL(2+) and SDSL to Ethernet transport.

The Wholesale interconnection points on ATM level were closed and replaced by the 10
Ethernet Service Nodes.
R5 aggregator
+ GENT cards
ATM/SDH
Ethernet
Figure 3: ATM Outphasing
Proximus agreed with its customers on the migration from ATM-based services to ETH-based services.
Migrations have started in 2010 and Proximus now almost finished off-loading the ATM-network.
3.5
ROP-based ADSL(2+)
The ADSL(2+) and SDSL traffic can be transported on the Ethernet backbone thanks to the solution
based on the Gigabit Ethernet NT cards installed in DSLAMs hosted in every central office.
Proximus public limited company of Belgian Public Law, exercising its activities under the commercial name Proximus, located in
Bd. du Roi Albert II 27, B-1030 Brussels, Belgium,VAT BE 0202.239.951, Brussels Register of Legal Entities, Giro BE50 0001 7100 3118
Page 9 of 19
In the central office of buildings to be outphased and in distribution area’s (this are the endpoints served
by one street cabinet – see figure 2) for which the copper feeder will be cut the LEX-based ADSL solution
is not sustainable. Therefore Proximus developed ROP-based ADSL(2+) solutions, based on the Alcatel
NDLT-G vectoring cards (which also support multi DSL) installed in the ROPs.
This allows to deliver ADSL and ADSL2+ solutions, but will not be adequate for SDSL, nor for ADSL(2+)
lines delivered with ISDN on the same copper pair
The ROP-based ADSL(2+) solution is applied for the different flavours of retail- & and wholesale
ADSL(2+) services (Fast Internet Access, Explore, Carrier and BROBA) and Proximus launched it for
building outphasing nets since end 2013.
Proximus plans to extend the usage of the ROP-based ADSL(2+) solution in all local nets from early
2015 onwards to solve issues such as saturated or damaged feeder cables, improve ADSL(2+) access
speeds and for the gradual outphasing of the current ADSL-platform. The ROP-based ADSL(2+)
solution is only compatible with LEX-based SDSL-signals so all LEX-based ADSL(2+) services (including
ADSL(2+) on BRUO-lines) shall be moved to the ROP upon activation of ROP-based ADSL(2+) for that
ROP. The impact on the BRUO reference offer has been covered with the proposal for the creation of a
new BRUO-service “Raw Copper Type 3” for SDSL-services on BRUO-lines.
(Please refer to the updated BRUO and BROBA offers for further details (1))
4.
Data and Capacity Services
Preliminary, statements in this chapter concern the technologies and services in general in Belgium.
Specific scenarios may exist in outphased buildings as described in chapter 6.
Bandwidth demand is ever increasing in today’s data networks and these same networks are evolving
more and more towards Ethernet. Therefore, in the long term, Proximus anticipates the Leased Lines
services to become obsolete, as data needs will be fulfilled by another type of supply, which forms part of
a different market for data services.
It is expected that the following reviewed planning will be met:
1

Analogue Leased Lines and digital Leased Lines lower than 2 Mbps will no longer be sold as
from end 2015 onwards (Stop Sell) but existing lines can remain in service until end 2018 with a
progressive stop service until 2022.

Higher or equal to 2Mbps digital Leased Lines will remain sold reactively until end 2018 with a
progressive stop service afterwards. Further details on the “Stop Sell” and “Stop Service”
milestones are still under evaluation.
Approval of the related addendum pending at the date of publication of this document.
Proximus public limited company of Belgian Public Law, exercising its activities under the commercial name Proximus, located in
Bd. du Roi Albert II 27, B-1030 Brussels, Belgium,VAT BE 0202.239.951, Brussels Register of Legal Entities, Giro BE50 0001 7100 3118
Page 10 of 19
5.

The BROTSoLL offer has been extended in 2014 with a Next Generation Leased Line service.
NGLL is an Ethernet (Layer2) connectivity service; based on Ethernet over MPLS technology
and it can be accessed via Ethernet over copper (Ethernet in the First Mile = EFM) or Ethernet
over fiber. (Please refer to the updated BROTSoLL offer for further details)

BILAN ATM/FR services were migrated to MPLS Ethernet and the public X.25 service was
stopped in 2013.
Voice Interconnect Evolution
The legacy voice network is a 2-layer network with about 180 Local Exchanges (LEX) for which hardware
is installed in over 1000 buildings and 16 Covering Area Exchanges (CAE). The 16 CAEs are grouped in 8
pairs, each pair covering a geographical area. Each LEX is connected with the 2 CAEs of the own covering
area. The legacy voice network consists of EWSD & S12 switches (as well CAE as LEX). The voice
customers (ISDN & PSTN) are connected to a LEX in their area.
This legacy voice network is now gradually being out-phased and replaced by IP-based solutions.
The technical solutions for this migration are based on the following elements:

PSTN emulation via Access Gateway (AGW) as replacement for traditional PSTN services.
AGW’s are installed in the ROP (Remote Optical Platform) or in the central office and are
controlled by an IMS platform. Figure 4 shows how it is built. PSTN lines are emulated via the
voice access gateway.
Central Office
Street cabinet
Traditional
PSTN voice
LEX
Street cabinet
Emulated voice
IMS
ROP
IP backbone
IP
AGW
Figure 4: PSTN AGW solution
Proximus public limited company of Belgian Public Law, exercising its activities under the commercial name Proximus, located in
Bd. du Roi Albert II 27, B-1030 Brussels, Belgium,VAT BE 0202.239.951, Brussels Register of Legal Entities, Giro BE50 0001 7100 3118
Page 11 of 19

ISDN emulation via IAD (Integrated Access Device), as a replacement for traditional ISDN-BA
services. IAD’s are installed at the end-user & connected between the modem and the EndUser ISDN device as shown in figure 5 and are controlled by an IMS platform. This solution
needs a technical intervention at the customer’s premises .
Central Office
Street cabinet
ISDN/BA
(U)
NT-1
(S)
LEX
Street cabinet
Emulated ISDN/BA
(S)
IAD
xDSL modem
IMS
ROP
IP backbone
IP
Figure 5: ISDN over IAD solution

An ISDN BA “Alcatel S12 extend end of life” solution is being implemented to which ±75% of
the ISDN BA subscriptions can be migrated without a technical intervention at the customer’s
premises. A limited number of Alcatel S12 Local Exchanges (LEX) will remain active and S12
ISDN remote unit hardware will be installed in all central offices (except BO-nets) on which the
remaining ISDN-BA lines will be concentrated. This solution also allows the continuation of the
ISDN service in combination with ADSL(2+). Installation and migration will be done according
the Switching Outphasing planning as documented in table 1.
Central Office
Street cabinet
ISDN/BA
NT-1
ISDN/BA
NT-1
LEX
Central Office
Central Office
S12 ISDN host
Street cabinet
RSU
Figure 6: ISDN/BA on S12 ISDN host via Remote Switching Unit

ISDN-PRA’s that were not replaced timely with another commercial offering will be migrated
without needing a technical intervention at the customer’s premises to a MGW-solution (Media
Gateway) which is controlled by an IMS platform and is planned to become available in 2015.
Central Office
ISDN/PRA
LTE
LEX
PABX
IMS
Central Office
IP backbone
SDH backbone
IP
Emulated
ISDN/PRA
MGW
LTE
PABX
Figure 7: ISDN/PRA via Media Gateway
Proximus public limited company of Belgian Public Law, exercising its activities under the commercial name Proximus, located in
Bd. du Roi Albert II 27, B-1030 Brussels, Belgium,VAT BE 0202.239.951, Brussels Register of Legal Entities, Giro BE50 0001 7100 3118
Page 12 of 19

CS and CPS will remain supported on the PSTN/ISDN services migrated through these
solutions.
The local exchanges will gradually disappear during the period of the voice network out-phasing, and
Local Interconnect (the LEX, acting as a local-AGE) will become obsolete. All traffic from the Local Net
will be routed via the area-AGE.
The table below lists all ± 180 Local Exchanges (LEX) (with or without local interconnection point) which
will be outphased in the next years. Target is to have outphased all legacy switches by end 2018. The
start of the preparations is mentioned, as well as the date of the effective closure, for each LEX. The
effective closure of a LEX with local interconnection implies the closure of the LAP (local access point) in
the preceding quarter. This list is independent of changes which occur due to the ROP-desaturation
program.
Impact on BRIO and BROTSoLL IC links:
BRIO local voice services (local Terminating and local Collecting) will be stopped in the outphased LEX at
the quarter preceding the end of service delivery date. The provision of BRIO and BROTSoLL IC links shall
be terminated in the outphased LEX at end of service delivery date.
The traffic to/from PRA lines that are moved to MGW requires the routing of voice services via AAP (Area
Access Point).
Also traffic to/from PSTN-lines that are emulated via AGW and ISDN-2 lines that are emulated via IAD
will have to be routed via AAP.
It is not excluded that the preparatory works for a specific LEX will be delayed due to operational reasons.
In that case the quarterly notification will contain such updates in a one year view and the next version of
the 5 year plan (network transformation outlook) will also take account of these changes.
This evolution will likely have an impact on the current interconnect models, since the entire PSTN (and
ISDN) network must be out-phased by 2018.
A TDM MGW solution (Media Gateway) is under development and will be ready for launch in 2015,
A first migration at AAP level (aggregated interconnect level) concerns the replacement of the A-AGEs
of the EWSD type in Mons (MON65CCW) and Hasselt (HAS11CCW) in 2015. No changes of the
interconnect links (OIT) will be asked for these two locations as Proximus will reconnect the existing
interconnect links on the TDM MGW.
A second migration at AAP level is planned in 2016-2018. It concerns the AAP’s for the 14 remaining AAGEs of the S12 type in the other access areas. Those S12 A-AGEs will gradually be put out of service in
2017 & 2018. By 2018 only 3 couples of interconnection points (BKC32CCT & GEN92CCT , MAR25CCT
& STR26CCT, LGE42CCT & GIL71CCT) will remain providing access to 3 access area’s (Flanders,
Brussels and Wallonia).
Proximus public limited company of Belgian Public Law, exercising its activities under the commercial name Proximus, located in
Bd. du Roi Albert II 27, B-1030 Brussels, Belgium,VAT BE 0202.239.951, Brussels Register of Legal Entities, Giro BE50 0001 7100 3118
Page 13 of 19
As the complete voice network will migrate to an IMS based infrastructure, the current TDM
interconnection model between Proximus and third party operators will evolve to an IP Interconnect
model.
Therefore an IP interconnection solution will be developed. The gradual migration from TDM to IP
interconnection is planned in the period of 2018 till 2019.
LEX
SO start
SO end
LEX
SO start
SO end
LEX
SO start
SO end
02AND
02BER
02BOS
02BRA
02CEN
02DRO
02ENG
02EUR
02EVE
02GEN
02GIL
02HAL
02HOE
02IXE
2015Q2
2014Q4
2013Q3
2015Q3
2014Q1
2015Q2
2015Q1
2012Q1
2015Q1
2015Q2
2014Q3
2013Q4
2015Q1
2014Q1
2018Q4
2016Q4
2015Q2
2017Q3
2016Q2
2017Q3
2016Q2
2012Q3
2016Q2
2018Q3
2015Q4
2015Q2
2017Q4
2015Q4
12TON
13DI1
14BEE
14BOU
14DES
14GEE
14HER
14MOL
14MOR
14TUR
14WES
15DUF
15HEI
15MES
2013Q4
2014Q1
2016Q1
2016Q1
2015Q4
2015Q4
2016Q1
2016Q1
2016Q2
2014Q1
2015Q3
2015Q4
2015Q2
2015Q2
2014Q4
2015Q4
2016Q4
2016Q4
2016Q3
2016Q2
2016Q4
2016Q3
2016Q4
2015Q4
2016Q4
2016Q3
2016Q4
2016Q4
56VIC
56WAR
56WEV
57IEP
57POP
58DEP
58KOK
58NIE
58VEU
59MID
59OOS
60CHI
60COU
61TLB
2016Q1
2016Q1
2015Q3
2016Q1
2016Q3
2015Q1
2016Q1
2015Q4
2015Q1
2016Q3
2014Q3
2016Q2
2016Q4
2014Q2
2017Q3
2017Q4
2017Q1
2017Q4
2017Q1
2016Q4
2017Q4
2016Q3
2017Q4
2017Q3
2016Q2
2016Q3
2016Q4
2015Q4
02JET
02LIN
02MAR
02MOL
02MUT
02OBS
2015Q1
2014Q1
2016Q1
2014Q4
2016Q1
2013Q4
2016Q4
2015Q4
2018Q4
2016Q1
2018Q3
2015Q1
15PAS
15RYM
15WEE
16HSR
16KES
16LEU
2015Q3
2015Q3
2016Q2
2015Q3
2014Q1
2015Q3
2016Q4
2016Q2
2016Q4
2016Q1
2015Q4
2016Q4
63ARL
64LAL
65LAB
65MON
67NIV
68ATH
2014Q1
2013Q4
2014Q1
2014Q2
2013Q4
2013Q4
2015Q4
2015Q4
2015Q4
2015Q4
2015Q4
2015Q4
02SAC
02SCH
2015Q3
2014Q3
2017Q3
2016Q1
16TIE
19HA1
2016Q1
2016Q1
2016Q4
2016Q3
69TOU
71CHA
2014Q1
2015Q3
2015Q4
2017Q1
02STR
02TNA
2014Q1
2015Q1
2018Q2
2018Q4
19WAR
41CEN
2016Q1
2014Q3
2016Q4
2015Q4
71CHT
71COU
2015Q2
2014Q1
2016Q2
2016Q2
02TUB
02UKK
2013Q1
2012Q4
2016Q4
2014Q3
41CHE
41GRE
2014Q1
2014Q2
2017Q1
2015Q4
71FLE
71FON
2015Q4
2015Q1
2016Q3
2016Q2
02VIL
02WAT
2015Q2
2014Q4
2018Q4
2016Q3
41HER
41JUP
2016Q2
2015Q1
2016Q4
2016Q3
71GIL
71GOS
2014Q2
2013Q4
2016Q1
2016Q4
02WEZ
02WOL
2015Q2
2014Q2
2018Q4
2017Q4
41LON
41PAY
2016Q1
2015Q4
2016Q4
2016Q4
71LUT
71MAR
2016Q1
2015Q1
2016Q4
2016Q4
03BER
03BEV
03BOE
03BOR
03BRC
2014Q1
2016Q4
2016Q3
2013Q4
2015Q3
2018Q3
2018Q2
2018Q2
2015Q3
2018Q2
41VIS
50AND
50ASS
50BLA
50BRG
2016Q1
2015Q1
2016Q1
2016Q2
2012Q4
2016Q3
2016Q4
2017Q4
2016Q4
2016Q4
71MOU
71NAL
71TAM
71THU
71WAL
2015Q1
2015Q2
2016Q1
2016Q2
2015Q1
2016Q1
2016Q3
2016Q4
2016Q3
2016Q3
Proximus public limited company of Belgian Public Law, exercising its activities under the commercial name Proximus, located in
Bd. du Roi Albert II 27, B-1030 Brussels, Belgium,VAT BE 0202.239.951, Brussels Register of Legal Entities, Giro BE50 0001 7100 3118
Page 14 of 19
03CEN
03DEU
03HAV
03HEM
03KAP
03KLL
03LIE
03MER
03NIK
03OUD
03SIL
03STE
03TEM
03WES
03WIB
03WIL
03WOM
03ZUI
10COR
10LIM
10NIL
10WAV
11HAS
11NER
11TRU
2013Q4
2015Q2
2016Q1
2016Q3
2016Q1
2017Q2
2016Q4
2014Q1
2016Q1
2013Q4
2014Q1
2016Q4
2014Q4
2013Q1
2013Q1
2014Q1
2018Q1
2015Q1
2013Q1
2017Q1
2013Q1
2016Q1
2015Q1
2014Q1
2014Q1
2018Q4
2018Q3
2018Q2
2018Q3
2018Q2
2017Q4
2018Q4
2015Q4
2018Q4
2014Q4
2015Q4
2017Q4
2018Q2
2014Q1
2017Q1
2015Q4
2018Q3
2018Q2
2018Q1
2018Q4
2018Q4
2018Q4
2015Q4
2015Q4
2014Q4
50HEI
50KNO
50MIC
50TOR
51DIK
51IZE
51ROE
51TIE
52DEN
52LON
52OPW
52SCH
52ZEL
53AAL
53DEN
53HAA
54GER
54NIN
55BRK
55RON
56HAR
56HEU
56KOR
56LED
56MOU
56ORO
2014Q2
2012Q3
2015Q1
2017Q1
2015Q3
2017Q1
2014Q2
2016Q1
2015Q2
2015Q1
2015Q2
2015Q2
2015Q3
2014Q2
2014Q1
2015Q2
2015Q2
2014Q1
2015Q1
2013Q4
2016Q1
2016Q2
2015Q2
2016Q2
2013Q4
2017Q2
2017Q3
2013Q1
2017Q4
2017Q3
2017Q3
2017Q4
2015Q4
2017Q3
2016Q4
2016Q3
2016Q1
2016Q2
2016Q2
2015Q4
2016Q2
2016Q4
2016Q2
2016Q3
2016Q2
2014Q4
2017Q4
2017Q4
2017Q1
2016Q2
2014Q4
2017Q2
80ST1
81CHA
81FLO
81GE1
81JAM
81MAH
81NAM
82DIN
83CIN
84JEM
85HU1
86DUR
87VE1
87VE2
89GEN
89GKN
91DEI
91GAV
91GBR
91GEN
91LOC
91MOO
91OOS
91PIE
91ROO
91WET
2014Q1
2015Q1
2016Q3
2016Q1
2015Q1
2016Q1
2016Q1
2016Q1
2013Q1
2014Q1
2014Q4
2013Q2
2013Q2
2014Q4
2014Q2
2014Q1
2015Q2
2015Q4
2015Q2
2015Q1
2014Q1
2016Q1
2014Q1
2014Q1
2014Q1
2015Q4
2015Q4
2017Q2
2018Q3
2017Q4
2017Q4
2018Q4
2018Q4
2018Q4
2014Q1
2015Q4
2016Q3
2013Q4
2014Q4
2015Q4
2015Q4
2015Q4
2016Q4
2016Q3
2016Q4
2016Q4
2015Q4
2016Q3
2015Q4
2015Q4
2015Q4
2016Q3
Table 1: list of the Local Exchanges which will be outphased by end 2018.
6.
Building Outphasing
The Building Outphasing is an essential component of the Proximus Mantra Program. A list of 65
buildings was initially identified for closure between 2012 and 2020, and communicated to the market. In
this initial plan, some large buildings were excluded, due to their technical complexity. The building
outphasing plan has now evolved to a lower number of buildings, but puts more focus on the large
buildings.
Out of this updated list, notifications have already been sent - pursuant the existing obligations regarding
MDF- and building outphasing - for the out-phasing of 22 buildings scheduled between 2012 and 2019.

The main building in local net 02EUR0, notified with 2012, June 30th as the end of service delivery
date is outphased.
Proximus public limited company of Belgian Public Law, exercising its activities under the commercial name Proximus, located in
Bd. du Roi Albert II 27, B-1030 Brussels, Belgium,VAT BE 0202.239.951, Brussels Register of Legal Entities, Giro BE50 0001 7100 3118
Page 15 of 19

The main buildings in local nets 02BRC0, 03WES0 and 83CIN0, notified with 2014, June 30 th as end
of service delivery date are outphased.

Recently, in March 2014, Proximus announced that 1 notified building (in local net 59OOS0) has
been withdrawn from the planning.

Recently, in June 2014, Proximus announced that 2019, June 30th is the earliest end of service date
for 4 additional main buildings in the local nets : Mons (65MON0), Brussel (02STR0), Antwerpen
(03CEN0) and Ath (68ATH0)
The table 2 below summarizes the current building outphasing planning for the period 2012-2019. This
planning is only indicative and still subject to changes. Upon OLO request, we have added a column giving
the information whether – according to current planning and expectations - a mini-MDF will be present
or not.
End of Service Local Net
Delivery
Phase
Out
Year
Mini
MDF
Address
Nr City
30/06/2012 02EUR0
2012
Y
30/06/2014
02BRC0
2014
N
30/06/2014
03WES0
2014
N
30/06/2014
83CIN0
2014
Y
30/06/2015
02BOS0
2015
Y
Tritomasstraat
7 WATERMAAL-BOSVOORDE
30/06/2015
02HAL0
2015
N
Arkenvest
2 HALLE
30/06/2015
55RON0
2015
N
Politieke Gevangenenstraat
30/06/2015
87VER0
2015
Y
Rue Thil Lorrain
6 VERVIERS
16/12/2016
51ROE0
2016
N
H. Consciencestraat
3 ROESELARE
16/12/2016
67NIV0
2016
N
Place Albert 1er
5 NIVELLES
30/06/2017
11HAS0
2017
N
Paardsdemerstraat
8 Hasselt
09/10/2017
54NIN0
2017
N
Graanmarkt
09/10/2017
56KOR0
2017
N
Tuinstraat
09/10/2017
64LAL0
2017
N
R De La Concorde
17 LA LOUVIERE
09/10/2017
87SPA0
2017
N
Rue de la Poste
29 SPA
31/07/2018
14HER0
2018
N
Molenvest
13 HERENTALS
31/07/2018
80ST10
2018
N
Rue des Moulins
14 RONSE
42 NINOVE
6 KORTRIJK
3 STAVELOT
Proximus public limited company of Belgian Public Law, exercising its activities under the commercial name Proximus, located in
Bd. du Roi Albert II 27, B-1030 Brussels, Belgium,VAT BE 0202.239.951, Brussels Register of Legal Entities, Giro BE50 0001 7100 3118
Page 16 of 19
31/07/2018
03SIL0
2018
N
Van de Hautelei
171 DEURNE (ANTWERPEN)
30/06/2019 65MON0
2019
N
Rue des Fossés
7 MONS
30/06/2019 02STR0
2019
N
Lebeaustraat – rue Lebeau
2 BRUSSEL - BRUXELLES
30/06/2019 03CEN0
2019
N
Lange Nieuwstraat
30/06/2019 68ATH0
2019
N
Rue Jean Jaurès
106 ANTWERPEN
11 ATH
Table 2: building outphasing planning for the period 2012-2019
Note that those dates are end of services delivery dates for all lines; which of course requires a
progressive migration to get them all migrated in due time. Building outphasing automatically implies
that switching outphasing is performed simultaneously or beforehand.
Impact on co-location and LLU services:

The first general rule is that the MDF and feeding network are out-phased completely. In this
standard case, co-location (including co-mingling) and LLU services are no more possible.

In certain cases2 a new Mini-MDF function will be created, to serve a limited number of customers
who remain connected on copper pairs. For this limited number of lines, LLU remains possible.
Proximus will communicate to the Operators 1 year before end of service delivery the list of
Street Cabinets (KVD’s) and Direct Feeds eligible for connection to the Mini-MDF in these specific
LEX’s. The connection of some Street Cabinets (KVD’s) to the Mini-MDF will be determined by
each LEX specific topology rather than purely by distance constraints. Note that this information
is to our best knowledge and can be subject to change.
In all cases the MDF of the current buildings, that are or will be sold, will have to be freed up completely.
Impact on other OLO services:

The following services will have to be migrated to alternative solutions before the end of service
delivery date of the outphased building where they are currently in service:

Product type
Co-location and co-mingling in current buildings
Explore EFM (or E-line EFM or NGLL EFM)
Explore ISDN back-up
Analogue Leased Lines
Digital Leased Lines less than 2 Mbit/s (*)
2
For current status: see column “Mini-MDF” in Table 2.
Proximus public limited company of Belgian Public Law, exercising its activities under the commercial name Proximus, located in
Bd. du Roi Albert II 27, B-1030 Brussels, Belgium,VAT BE 0202.239.951, Brussels Register of Legal Entities, Giro BE50 0001 7100 3118
Page 17 of 19
BILAN IP/VPN LL less than 2Mbp
BRIO extra area half links (analogue and less than 2 Mbit/s)
BrotsoLL (less than 2 Mbit/s)
BRUO (RC and SP) (**)
BILAN SDSL
BROBA ADSL(2+) with voice ISDN
BROBA Re-ADSL
BROBA SDSL
Carrier ADSL(2+) with voice ISDN
Carrier Re-ADSL
Carrier SDSL
Explore ADSL(2+) with voice ISDN
Explore SDSL
(*) The outcome of the technical analysis might grant some exceptions
(**) Not applicable in copper zones of LEX’s for OLOs who
will have a valid contract for co-mingling in the new Atropos room.

Services with ADSL and ADSL2+ access, like BROBA ADSL & ADSL2+, Carrier ADSL & ADSL2+,
and Explore ADSL & ADSL2+ will evolve to a new technical solution (see above section 3.5
“ROP-based ADSL & ADSL2+”).

Impacts of the ISDN via IAD solution over the OLO Broadband services3.

The technological migration of current ISDN-BA services to ISDN via IAD services will change the
configuration of OLO Broadband with ISDN-BA voice service to OLO Broadband without voice.
In order to avoid newly installed services to be migrated shortly later, Proximus sends yearly to each OLO
a notice of stop sell pursuant to the information delays contractually specified. Similarly, for each
outphased LEX, Proximus will send to each OLO present in this LEX a notice of service suspension
pursuant to the information delays contractually specified for each impacted service in the LEX, as well as
a list of circuits impacted and of possible service alternatives.
3
OLO Broadband = Carrier xDSL, BRUO, BROBA or WBA VDSL2 service
Proximus public limited company of Belgian Public Law, exercising its activities under the commercial name Proximus, located in
Bd. du Roi Albert II 27, B-1030 Brussels, Belgium,VAT BE 0202.239.951, Brussels Register of Legal Entities, Giro BE50 0001 7100 3118
Page 18 of 19
7.
Fiber To The Home
Proximus presented in 2014 a commercial voluntary wholesale FTTH offer, to be offered in Greenfield
area’s (new parcellings) Following the initiative of the city of Brussels to refurbish the central boulevard in
Brussels (see http://www.parcanspach.be/), Proximus plans to set up a pilot project for FTTH in that
area . This project is expected to start in 2015 and to run till 2019, by which time the copper plant in that
area should be outphased.
--- end of document ---
Proximus public limited company of Belgian Public Law, exercising its activities under the commercial name Proximus, located in
Bd. du Roi Albert II 27, B-1030 Brussels, Belgium,VAT BE 0202.239.951, Brussels Register of Legal Entities, Giro BE50 0001 7100 3118
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