1. . © 2008 Aastra Communications, Ltd. IP Trunk NPI tech transfer – Dec 2008

2. . © 2008 Aastra Communications, Ltd. VoIP and ToIP in 2008 IP-PBX ToIP IP Phone Firewall or router ITSP Internet LAN PSTN ISDN IP Trunk External 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 migration 17% in 2007 25% in 2007 ToIP Mobile phones 5% of phones sold 3% en 2007

3. . © 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 Price decrease

4. . © 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 on the same access LCR e.g. availability 99,85%

5. . © 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.)

6. . © 2008 Aastra Communications, Ltd. The IP trunk architecture Enterprise IP network IP or SIP phones DECT Mobility Analog and digital phones IP provider ISP/ITSP Wi-Fi or DECT/IP PSTN/ISDN Fax Back-up Access router Signaling Voix over IP is direct Applications Call Server or gateway

7. . © 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

8. . © 2008 Aastra Communications, Ltd. A5000 solution Embedded solution VISIT certified or Switch or SwitchXS/XL/XD EIP Call Server or or EIP Call Server + PHM 600 channel (= 20 T2) per server 200 channel (>3 T2) per Gateway SwitchXS/XL/XD + PHM gateway 100 channel (>3 T2) per system »SME box : »SIP trunk : »H.323 trunk : Several T0 or 1 T2 per system SwitchXS/XL/XD IAD : Box of the provider (T0 or T2 interface emulation) Business Internet Voix (Orange) 9office (Neuf Cegetel) Completude (Completel) IP

9. . © 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 IPTDM TDM TDM IPIPIP

10. . © 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

11. . © 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

12. . © 2008 Aastra Communications, Ltd. SIP trunk – A5000 compatibility table »Available on the extranet

13. . © 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

14. . © 2008 Aastra Communications, Ltd. SIP trunk – Ascotel compatibility table »Available on the extranet

15. . © 2008 Aastra Communications, Ltd. Example »Aastra France : BTIP (Orange) BTIP as main link -25% on telecom costs the 1 st year (nat al, int al, gsm) On going: stop one of theT2. One T2 kept for fax, modem and back-up

16. . © 2008 Aastra Communications, Ltd. Multisite architecture ITSP LAN 1 LAN 2 LAN 3 i7xxSIP i7xx SIP Dect/IP IP-PBX 1 IP-PBX 2 PSTN TDM Distributed SIP Trunks or centralized SIP Trunk

17. . © 2008 Aastra Communications, Ltd. Voice over IP : still the same standard (direct VoIP path) »RFC 3550RTP: A Transport Protocol for Real-Time Applications »RFC 3551RTP Profile for Audio and Video Conferences with Minimal Control »RFC 4855Media Type Registration of RTP Payload Formats SIP addresses signaling »RFC 3261SIP: Session Initiation Protocol: SIP over UDP (except Microsoft : SIP over TCP) »RFC 3263Session Initiation Protocol (SIP): Locating SIP Servers »RFC 3265Session Initiation Protocol (SIP)-Specific Event Notification SIP presentation CLIP and restriction of the number CLIR, presentation of the name CNID »RFC 3323A Privacy Mechanism for the Session Initiation Protocol (SIP) »draft-ietf-sip-privacy-04 »RFC 3325Private Extensions to the Session Initiation Protocol (SIP) for Asserted Identity within Trusted Networks SIP hold, call inquiry, transfer and conference »RFC 4566SDP: Session Description Protocol : INVITE, RE-INVITE »RFC 3264An Offer/Answer Model with Session Description Protocol (SDP) »RFC 3515 The Session Initiation Protocol (SIP) Refer Method SIP RFCs(1/2)

18. . © 2008 Aastra Communications, Ltd. SIP and CTI »RFC 3725Best Current Practices for Third Party Call Control (3pcc) in the Session Initiation Protocol (SIP) SIP and MWI »RFC 3842A Message Summary and Message Waiting Indication Event Package for the Session Initiation Protocol (SIP) SIP and DTMF »RFC 2833RTP Payload for DTMF Digits, Telephony Tones and Telephony Signals (Obsolete by RFC 4733) »RFC 4733RTP Payload for DTMF Digits, Telephony Tones, and Telephony Signals »RFC 2976The SIP INFO Method SIP RFCs (2/2)

19. . © 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