SIP SRST

When SIP goes into SRST mode, phones registered with a proxy server can use the voice GW acting like a SIP registrar.

1. Specify allowed connections.

2. Set up the GW as registrar.

GW1(config)# voice service voipGW1(config-voi-serv)# allow-connections h323 to sipGW1(config-voi-serv)# allow-connections sip to h323GW1(config-voi-serv)# allow-connections sip to sipGW1(config-voi-serv)# sipGW1(config-serv-sip)# registrar server

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