Version 6.2 597 February 2011
SIP User's Manual 8. IP Telephony Capabilities
e. From the 'Proxy Set ID' drop-down list, select '0'.
f. In the first 'Proxy Address' field, enter the IP address of the external proxy server.
g. In the second 'Proxy Address' field, enter the IP address and port of the device (in
the format x.x.x.x:port). This is the same port as defined in the 'SAS Local
UDP/TCP/TLS Port' field (see ''Configuring Common SAS Parameters'' on page
591).
h. From the 'Proxy Redundancy Mode' drop-down list, select 'Homing'.
Figure 8-113: Defining Proxy Servers for Gateway Application
i. Click Submit.
2. Disable the use of user=phone in the SIP URL:
a. Open the 'SIP General Parameters' page (Configuration tab > VoIP menu > SIP
Definitions submenu > General Parameters).
b. From the 'Use user=phone in SIP URL' drop-down list, select 'No'. This instructs
the Gateway application to not use user=phone in SIP URL and therefore,
REGISTER and INVITE messages use SIP URI. (By default, REGISTER
messages are sent with sip uri and INVITE messages with tel uri.)
Figure 8-114: Disabling user=phone in SIP URL
c. Click Submit.
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