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Inter-Trunk Routing

Lync Server 2013
 

Topic Last Modified: 2012-10-08

Lync Server 2013 provides basic session management through the support of intertrunk routing. This new capability enables Lync Server to provide call control functionalities to downstream telephony systems. Intertrunk routing can interconnect an IP-PBX to a public switched telephone network (PSTN) gateway so that calls from a private branch exchange (PBX) phone can be routed to the PSTN, and incoming PSTN calls can be routed to a PBX phone. Similarly, Lync Server can interconnect two or more IP-PBX systems so that calls can be placed and received between PBX phones from the different IP-PBX systems.

The following figure illustrates Lync Server 2013 providing interconnectivity between a PSTN gateway and an IP-PBX.

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The next figure illustrates Lync Server 2013 connecting two IP-PBX systems.

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