H3C Technologies H3C MSR 50 - Manual (Page 692)

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Figure 696 Network diagram
Configuration procedure
1. Configure basic voice calls, see " Configure basic voice calls: configure a local number and the
call route to Router B. "
2. Specify the transport layer protocol:
# Specify TCP as the transport layer protocol for outgoing calls on Router A.
Select Voice Management > Call Connection > SIP Connection from the navigation tree, and click
the Session Properties tab to access the transport layer protocol configuration page as shown
in Figure 697 .
Figure 697 Specifying transport layer protocol for outgoing calls
a. Select TCP for Transport Layer Protocol for SIP Calls.
b. Click Apply.
# Specify TCP as the transport layer protocol for incoming SIP calls. This is optional, because the
TCP listening port is enabled by default.
Select Voice Management > Call Connection > SIP Connection from the navigation tree, and click
the Session Properties tab to access the transport layer protocol configuration page as shown
in
Figure 698 .
Figure 698 Specifying listening transport layer protocol
a. Select TCP for SIP Listening Transport Layer Protocol.
b. Click Apply.