Microsoft Lync OnLine SIP Trunking in the Cloud

Microsoft® Lync On-Line™ SIP Trunking in the Cloud

Agenda ▪ ▪ What is SIP Trunking? SIP Trunking Benefits SIP Trunking Deployment Scenarios with Lync On-Line Qualified SIP Trunking Partners

SIP Trunking Overview ▪ ▪ SIP Trunking enables an enterprise to communicate with internal and external users over IP, including calls to traditional PSTN networks. Utilizing the SIP protocol provides a platform for future delivery of other real time communication modalities. Service Provider Core Network SB C Service Provider MPLS Network SIP Trunk Lync Servers Cloud Provider DMZ Lync Endpoints Lync Server Central Site

SIP Trunking Enables. Aggregation of Trunks ▪ Combine all voice trunks from many office sites into the cloud data centers ▪ Leverage Certified Providers integration to the cloud data center for Telephony and Conferencing ▪ Quickly add capacity and services on demand (ex. Conferencing) Aggregation of Access ▪ Reduced number of facilities required ▪ No fixed capacity or location requirements ▪ Less HW to purchase, maintain, and operate On-Net Calling ▪ Make free calls with users in the same service provider network

SIP Trunking Benefits Cost Saving • • • Save telecommunication costs from replacing expensive circuits with cheaper trunks Save management cost in customer premise equipment Optimize communications spending by managing usage per consumption Technology Efficiency • Design network and manage capacity with flexibility • Streamline IT administration with network consolidation and management flexibility Future Extensibility • Multimedia and value add service stream thru SIP Trunk

Architecture SP/ACP Partner Microsoft Online Mediation Server SBC Dedicated SIP Trunk Lync Pool A/V MCU Partner Infrastructure ACP MCU Access Module Edge Server (ACP/MR) • Partners offer audio conference bridge services and PSTN connectivity to join external participants Lync • GTM, Billing, Provisioning requirements fulfilled by syndication partner • Dedicated SIP Trunk interconnects Microsoft Data Center with partner’s Data Center • Lync Server 2010 provides the capabilities that are added by the partner for Lync Online.

Lync Online Dedicated Qualified SIP Trunking Partners Carrier Service Name AT&T IP Flexible Reach Service BT Global Services BT Onevoice Global Crossing SIP Trunking Services Intele. Peer SIP Trunking Interoute. One Level 3 Communications SIP Trunking TDC Verizon Business TDC Business Trunk IP Trunking Services *Dedicated qualification is additive to basic Lync product SIP trunking qualification