SRST incoming calls ring to different number

An H.323 gateway configured with the “connection plar” command to a directory number that can only be reached over the WAN can cause issues in the event that the WAN is down. The alias command under call-manager-fallback can re-direct calls during SRST operation. A sample config is as follows:

voice-port 0/1/0
connection plar 1000

alias 1 1000 to 1234 cfw 5551212 timeout 18

Incoming calls to port 0/1/0 while in SRST will ring to extension 1234 and after 18 seconds will call forward to 5551212. An appropriate H.323 dial-peer needs to be present to process 5551212

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