Specifications
Table Of Contents
- 1 Introduction
- 2 Microsoft Lync Server 2013
- 3 Dell Unified Communication Solution Reference Architecture
- 4 Technical Specifications
- 5 Verification
- 6 Conclusion
- A Additional Resources

24 Reference Architecture | Dell
TM
Unified Communication Solution with Microsoft® Lync® Server 2013 for Single Site
Implementation | Version 1.0
The enterprise connectivity options, as shown in Figure 6, are:
•
T1/E1 connectivity from PSTN to a media gateway, which in turn connects to the Lync
infrastructure via SIP
•
SIP trunk from an ITSP to an SBC, which then connects to Lync infrastructure via SIP
•
PBX connecting to a media gateway via a T1/E1, which in turn connects to the Lync infrastructure
via SIP
If connecting to a SIP trunk via an on-premise SBC, consider placing the SBC in the perimeter network to
provide the appropriate level of security. If connecting directly to a SIP trunk provider without an
intermediary SBC, a separate Mediation Server may be required. The preferred third-party gateway, as
validated in this reference architecture, is the Sonus SBC 1000 or SBC 2000.
Figure 6 Enterprise Voice Connectivity