Answer Delay problem on FXO ports

[kelimeyers]

Hi,

I have 2811 series router with FXO ports. We use 7940 and 7960 phones. Gateway is setup in Call Manager as H323. When calls come in, it takes 3 PSTN rings before the router answers the call (as seen by ccapi debugs). The only config I have on the voice-ports is "connection plar opx", otherwise default settings are used. Can anyone tell me how to get the router to answer the call more quickly? Thank you!

[PATRICK ALAND · Accepted solution]

The FXO ports are waiting for Caller-ID information to be delivered by the telco. You can disabled this under the voice-port, i.e.

voice-port 0/0/0

no caller-id enable

If you need Caller-ID you can try reducing the number of rings by:

voice-port 0/0/0

ring number 1

[kelimeyers]

Thank you very much! That worked wonderfully!