. © 2008 Aastra Communications, Ltd.

IP Trunk

NPI tech transfer – Dec 2008

. © 2008 Aastra Communications, Ltd.

VoIP and ToIP in 2008

IP-PBXIP-PBX

ToIP

IP IP PhonePhone

FirewallFirewallor routeror router

ITSPITSP

InternetInternet

LANLANPSTN PSTN ISDNISDN

IP TrunkExternal access

VoIP multisite

25% of phones sold

40% of systems sold have

VoIP capacity

Market driven by : - Providers offer - Attractive prices

2008:first references

Soft

migration17% in 200717% in 2007

25% in 200725% in 2007

ToIPMobile phones

5% of phones sold

3% en 20073% en 2007

. © 2008 Aastra Communications, Ltd.

» 31 Billions Euros in 2006 (incl. 80% Orange)» VoIP => many providers, competition

– ISP become ITSP* – Investments and maintenance costs for VoIP

are below PSTN/ISDN ones

» French ToIP providers (those with a national presence)

Telephony providers French market

* Internet Telephony Service Provider

Pricedecrease

. © 2008 Aastra Communications, Ltd.

Trunk IP : pros

» ROI within a few months. – Telecom bill decrease

Example of fares (per simultaneous communications) : 12 à 15 €/month + attractive fare on communications cost 25 €/month unlimited fixed com. (local/national)

– Optimization of the bandwidth

– Optimization of the costs with several ISP

» Quality of service – Different from « telephony over Internet » whose quality is unpredictable– Commitment on availability and bandwidth, SLA

- 25% to - 40%

Voice & data onthe same access

LCR

e.g. availability 99,85%

. © 2008 Aastra Communications, Ltd.

Choice of the provider

» Criteria– QoS and availability : SLA + administration/supervision– Support and reactivity : installation, evolution, hot line– Interworking : codec, features– Interoperability : TDM networks, GSM network– Tariff :

All-in price, unlimited all-in price, price/mn (local, national, intern., GSM)

Voice+data offer Installation fees

– Security (VPN, SBC, Reliability, Dos/DDos, etc.)

. © 2008 Aastra Communications, Ltd.

The IP trunk architecture

Enterprise IP network

IP or SIP phones

DECT Mobility Analog and digitalphones

IP providerISP/ITSP

Wi-Fi or DECT/IP

PSTN/ISDN

Fax

Back-up

Access router

Signaling

Voix over IP is direct

Applications

Call Server or gateway

. © 2008 Aastra Communications, Ltd.

SIP (Session Initiation Protocol)

» The Aastra choice – Simple and open multimedia protocol (voice, data, video)– Same choice as most of the providers, editors and manufacturers– Important Aastra R&D investment today and tomorrow

» SIP standard, interworking tests (see extranet)– Trunk : Equipment/software : Cirpack, Broadsoft, Asterisk, etc….

– Line : phone and softphone : Aastra, Snom, Polycom, Linksys, Nokia, …

» Preserve the investment : – Independent of the Data equipment (switch/routers)– Numbers / Numbering plan unchanged– Aastra standard SIP phones

. © 2008 Aastra Communications, Ltd.

A5000 solution

Embeddedsolution

VISIT certified

oror Switch Switch XS/XL/XDXS/XL/XD

EIP EIP

Call ServerCall Server

ororEIPEIP

Call Server Call Server + PHM+ PHM

600 channel (= 20 T2)per server

200 channel (>3 T2)per Gateway

SwitchSwitchXS/XL/XDXS/XL/XD

+ PHM gateway+ PHM gateway

100 channel (>3 T2)

per system

» SME box :

» SIP trunk :

» H.323 trunk :

Several T0 or 1 T2per system

Switch Switch XS/XL/XDXS/XL/XD

IAD : Box of the providerIAD : Box of the provider(T0 or T2 interface emulation)(T0 or T2 interface emulation) Business Internet Voix (Orange)

9office (Neuf Cegetel)Completude (Completel)

IP

. © 2008 Aastra Communications, Ltd.

With or without IAD ?

» Pros– Works– Providers have now experience on this solution– PBX full TDM PBX compatible

» Cons– One more box (CAPEX+OPEX=> price of the service ↑)– QoS of voice, when ToIP is also deployed ?– Rich signaling and centralized architecture not covered

IPIP TDMTDM TDMTDM TDMTDMIPIP IPIP IPIP

. © 2008 Aastra Communications, Ltd.

A5000 IP trunk options

» SIP and H.323 trunk options – Several access points in a multisite

– TDM network for back-up

– Several providers (multi-ITSP)

Back-up And load balancing(capacity increase)

LCR

. © 2008 Aastra Communications, Ltd.

A5000 is “VISIT” certified for the Business Talk IP offer

» Connection of the IPBX on the IP VPN, with H.323– Internal voice traffic (on-net) : free– External voice traffic (off-net) : competitive– Keep telephone numbers – Keep emergency services

(including for remote sites with only IP phones)– Enterprise/professional quality of service– Centralized management of the voice Qos. Customized dashboard

. © 2008 Aastra Communications, Ltd.

SIP trunk – A5000 compatibility table

AASTRA MATRA TELECOM - NeXspan - SIP TRUNK - TESTS

Editors / Manufacturers

Partner/Product

GA

LO

PT

EL

EC

OM

Sim

ple

Sig

nal

E-L

EV

EN

VE

RIZ

ON

INF

OP

AC

T

TO

PL

INK

Po

rtu

gal

Tel

eco

m

Alc

atel

Ast

eris

k

Bro

adso

ft

Cir

pac

k(T

ho

mso

n)

Cis

co

Type Provider Provider Provider Provider Provider Provider Provider Manufacturer Editor Editor ManufacturerManufacturerCountry (location) France USA Belgium USA Holland Germany Portugal France World USA France USA

SIP equipment/sw SERACMEPack

et series 4000

Asterisk Broadsoft Asterisk+SER TELESAlcatel

sofswitch 5020

Softswitch/OXE

Asterisk Broadsoft Cirpack CCM

Release 0.9.6 13 and 14 3.1.1R1S3P4 1.4.4 14NeXspan release G2J2 G2J7 G2J8 G2JE+patch G2JA G2JA G2N7 G2JA - G2JC G2JE+patch G2JD+patch G2E

Test results synthesis

OKDTMF to be

re-tested with G2N

OKDTMF and E164 to be re-tested with G2N

OK

Ok,DTMF, Domain name,

CLIP/CLIR to be re-

tested with G2N

ok, but simple tests only

Simple tests only.

New tests : on-going

OK(except fax)

ok, but simple tests only

ok, but simple tests only

Ok,DTMF, Domain name,

CLIP/CLIR to be re-

tested with G2N

on-going on-going

Features : Registering ok ok ok no need ok ok ok ok no need ok okAuthentication ok ok ok no (VPN) ok no (VPN)Simple call ok ok ok ok ok ok ok ok ok ok ok okComplex call ok ok ok ok ok on-going ok ok on-going on-goingTransit ok E.164 to be tested ok ok on-going ok on-going on-goingCodecs ok ok ok ok ok ok ok ok ok ok G711-30ms okDTMF RFC 2833 RFC 2833 ok (SIP INFO) RFC 2833 ok (SIP INFO) RFC 2833 ok on-going ok (SIP INFO) RFC 2833 on-going ok (SIP INFO)CTI (RFC 3725) ok ok ok ok

Operators/service providers

» Available on the extranet

. © 2008 Aastra Communications, Ltd.

The Ascotel solution (VSE / SME)

» SIP trunk :– On Ascotel 150/300– With DSP (daugther board) + License (up to 8 simultaneous com.)

» Testes with various providers– T-Online, QSC, Toplink, Broadnet (Germany) – Frontier Systems - Call-UK (UK)– Infopact, Solcon (Netherlands)– W3tel (France)– Others on going…

» Already available – In Scandinavia, Ascotel installation are done mainly without T0, but directly

with a SIP provider interface.

Integrated feature

. © 2008 Aastra Communications, Ltd.

Example

» Aastra France : BTIP (Orange)BTIP as main link

-25% on telecom costs the 1st year (natal, intal, gsm)

On going: stop one of theT2.

One T2 kept forfax, modem and back-up

. © 2008 Aastra Communications, Ltd.

Multisite architecture

ITSP

LAN 1 LAN 2

LAN 3

i7xx SIP

SIP i7xx

i7xx SIP

Dect/IP

Dect/IP

Dect/IP

IP-PBX 1 IP-PBX 2PSTN

PSTN

TDM

TDM

Distributed SIP Trunks

or centralizedSIP Trunk

. © 2008 Aastra Communications, Ltd.

Voice over IP : still the same standard (direct VoIP path)» RFC 3550 RTP: A Transport Protocol for Real-Time Applications» RFC 3551 RTP Profile for Audio and Video Conferences with Minimal Control» RFC 4855 Media Type Registration of RTP Payload Formats

SIP addresses signaling» RFC 3261 SIP: Session Initiation Protocol: SIP over UDP (except Microsoft : SIP over TCP)» RFC 3263 Session Initiation Protocol (SIP): Locating SIP Servers» RFC 3265 Session Initiation Protocol (SIP)-Specific Event Notification

SIP presentation CLIP and restriction of the number CLIR, presentation of the name CNID» RFC 3323 A Privacy Mechanism for the Session Initiation Protocol (SIP)» draft-ietf-sip-privacy-04» RFC 3325 Private Extensions to the Session Initiation Protocol (SIP)

for Asserted Identity within Trusted Networks

SIP hold, call inquiry, transfer and conference » RFC 4566 SDP: Session Description Protocol : INVITE, RE-INVITE» RFC 3264 An Offer/Answer Model with Session Description Protocol (SDP)» RFC 3515 The Session Initiation Protocol (SIP) Refer Method

SIP RFCs(1/2)

. © 2008 Aastra Communications, Ltd.

SIP and CTI» RFC 3725 Best Current Practices for Third Party Call Control (3pcc)

in the Session Initiation Protocol (SIP)

SIP and MWI» RFC 3842 A Message Summary and Message Waiting Indication Event Package

for the Session Initiation Protocol (SIP)

SIP and DTMF» RFC 2833 RTP Payload for DTMF Digits, Telephony Tones and Telephony Signals

(Obsolete by RFC 4733)» RFC 4733 RTP Payload for DTMF Digits, Telephony Tones, and Telephony Signals» RFC 2976 The SIP INFO Method

SIP RFCs (2/2)

. © 2008 Aastra Communications, Ltd.

» The IP trunk is operational with the Aastra range (A5000 & Ascotel)

» You may test it with some other provider– Test plan are provision recommendations are available– Test services are proposed in the price list

Conclusion