Installation & Maintenance Manual 15. Configuring the SIP Transport Type
Version 6.8 161 Microsoft Lync Server
15.2 Configuring TCP Transport Type
TCP provides unencrypted SIP signaling between the PSTN Gateway and Mediation
Server. The procedure below describes how to configure the SIP TCP transport type.
Note: Microsoft does not recommend implementing TCP for the SIP transport type
between the PSTN Gateway and the Mediation Server.
To set SIP transport type to TCP:
1. Open the SIP General Parameters page (Configuration tab > VoIP menu > SIP
Definitions > General Parameters).
Figure 15-15: SIP General Parameters Page
2. From the 'SIP Transport Type' drop-down list, select TCP.
3. In the 'SIP TCP Local Port' field, enter the same Gateway listening TCP port number
as was configured on the Topology Builder for the gateway.
4. Click Submit to apply your changes.
5. On the toolbar, click Burn to save the changes to the PSTN gateway flash memory.
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