
Connecting Microsoft Lync 2013 to a SIP Trunk
AudioCodes Mediant E-SBC 20 Document #: LTRT-54004
Figure 3-8: Define the Root Trunk
a. In the 'Listening Port for IP/PSTN Gateway' field, type the listening port that the E-SBC
will use for SIP messages from the Mediation Server that will be associated with the
root trunk of the PSTN gateway (i.e., 5067).
b. In the 'SIP Transport Protocol' field, click the transport type (i.e., TLS) that the trunk
uses.
c. In the 'Associated Mediation Server' field, select the Mediation Server pool to
associate with the root trunk of this PSTN Gateway.
d. In the 'Associated Mediation Server port' field, type the listening port that the
Mediation Server will use for SIP messages from the SBC (i.e., 5067).
Click Finish; the SBC is added as a PSTN Gateway and a trunk is created:
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