Your network contains an analog TDM-PBX. You plan to transition the telephony infrastructure to Lync Server 2010. You need to recommend a solution that meets the following requirements:
* Ensures that all users can initiate calls to the PSTN.
* Prevents internal calls from being routed through the PSTN.
* Ensures that all TDM-PBX users and Lync Server 2010 users can call each other.
Which two components should you include in the recommendation? (Each correct answer presents part of the solution. Choose two.)
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A.
SIP trunk
B.
Media Gateway
C.
Edge Server
D.
Director
E.
Mediation Server
Explanation:
No prooflink here, but decent analog PBX integration requires Gateway and Mediation Server for transcoding.