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Item Descri
tion
Mid-call Signal
• Remote process—If the session timer mechanism is initiated by
the calling party, and the called party also supports this
mechanism, you can select this option to enable the called party
to process the session update information. Otherwise, the session
timer mechanism only works between the calling party and the
SIP trunk device. The interval for sending session update requests
is negotiated by endpoints. For more information, see RFC 4028.
• Local process—The SIP trunk device processes the update
messages rather than transparently pass them to the peer end.
By default, the Local option is selected.
Configuring a call route for inbound calls
Select Voice Management > Call Route from the navigation tree, and click Add to access the call route
configuration page. Specify the call route type as SIP.
For more information about call route, see "Local number and call route" and "Basic settings".
SIP trunk configuration examples
Configuring a SIP server group with only one member server
Network requirements
The enterprise private network has a SIP trunk device. Router A is a private network device, and Router
B is a public network device. Configure a SIP server group with only one member server so that all calls
between the private network and public network are made through the SIP trunk device.
Figure 700 Network diagram
Configuring Router A
# Configure a local call number.
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