3130IF -VoIP User Manual V1.2
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Configure local signal port, the default is 5060
（
this port will go into effect
immediately, the SIP call will use the modified port for communication after
modification
）
;
Configure expire time of SIP server register, the default is 600 seconds. If the
expire time that server requires is more or less than that configured by the
phone, the phone can automatically modify it to the recommended time limit
and register;
Configure detection interval time of the server, if the phone enables SIP
detection server function, the phone will detect once for whether the server has
response every other detection interval time;
Configure enable/disable register;
Configure to enable public outbound proxy. If proxy server has been enabled,
the phone will consider the user as using outbound proxy automatically. If the
configuration has been disabled, the phone can still be registered to the
server ,but can't make SIP call; configuration of registered call by the phone will
not have impacts on SIP point-to-point call;
