Benefits of VoIP Peering in a Challenging Economy

(SP-10)

Tuesday - 02/03/09 4:00-4:45pm

Mark Benisz, VP Americas, XConnect Global Networks

Agenda

• VoIP Peering in a challenging Economy• Best practices for NGN interconnects: bilateral,

multilateral and federated • Registry vs. Signaling approaches to peering • Number portability and ENUM • Regional and Global Peering trends • How peering enables new high margin services:

video, high quality audio • Commercial benefits and case studies

IP Communications & NGN Adoption

Voice over Broadband Adoption – Residential Lines

EU

USA

0

5

10

15

20

25

30

35

2004 2005 2006 2007

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of

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Intermediate Result: VoIP/NGN Islands

VoIP /NGN Service

Providers

Global Enterprises

Cable VoIP Services

3G Mobile / IMS

Web based VoIP services

PSTN

Today’s Telephony Challenge How to get all the disparate pieces of the global

network puzzle working together?

Peering brings all the parts together Enable groups of service providers to multi-laterally exchange calls with each other via IP, based on a set

of administrative terms for settlement, policy and interconnection

Best Practices for NGN Interconnects

• Bilateral– Resource intensive– Not scalable

• Multilateral– One interconnect– Possibility of one commercial contract– Minimal use of internal resources

• Network upgrades

• Federated– Members control policy

• Trust• Commercials

Registry vs. Signaling Functions

Registry• identifies service provider or

entity– identify actual egress point– Optimize routing

• Enables most efficient routing mechanism– voice– video– push-to-talk– SMS – new IP features

Signaling• Enables scalable

interconnection• Signaling Hub

– Enables signaling management

– multi-protocol,

Challenges

Standard IP Peering / Connectivity - Public, Private, Ethernet

Physical Transport

Which calls terminate to another VSP, and where should they be routed?

Discovery / Location(ENUM Registry)

How can signalling interoperability be ensured with different protocols, variants & implementations?

Signalling Interoperability

Who should calls be received from & on what basis? How to protect subscribers from abuse (SPIT, vishing)?

Policy, Trust & Security

NAT traversal and codec incompatibility

Media Handling

Based on policy and traffic profiles, should calls be settlement-based or settlement-free (Bill & Keep)?

Commercial

LNP and ENUM

• Number portability (local, mobile or full) is now available in US, Canada, Mexico and Brazil– All Call Query (ACQ) – Central Registry Approach– Call Forwarding Approach– Typically delivered via SS7/ C7

• ENUM Registries– Private routing, public registry, carrier ENUM via ACQ– Can be LNP corrected– Enables expansion of ACQ to other Registry information beyond NP

• Features supported (video, wideband codecs, Presence) • Call forwarding, call forking, non-traditional number plans

Regional and Global Peering trends

Regional •Netherlands - JCC MSO peering

•Brazil - VoIP peering federation

•UK - BT IP Exchange

•USA - Cablelabs

Global•GSMA

•i3 Forum

•Peering Service Providers

New High Margin Services

High fidelity audio

Video telephony

IM integration

Vanity Numbers/ DIDs

Not just low cost voice

Peering to IM Service Providers

• Differentiate service from PSTN• Peer VoIP Networks with voice-enabled IM

communities.• Call IM communities – by dialing a numeric phone

– IM user can call back whenever they want. – Discover/Provision IM buddy numbers

• using a web page.

• Number assigned to the IM client can be:– private number– conventional e.164 number

Mark Benisz, VP Americas

+1-914-467-5227

mark@xconnect.net

www.xconnect.net