I have a big problem with IP Phone when I configure forward for it.
On CUCM , I configure one IP phone with Noanswer External forwarding to a mobile.
When I Call from PSTN to this IP Phone but no ones answer , it is going to forward the call to my mobile. My mobile ring but the call is "one side calling " ( one phone was ringing but one another can heard what you say on the phone which was ringing )
First, you're missing an inbound voip dial-peer. Add this, at the minimum:
dial-peer voice 1 voip
After that, get these debugs:
debug isdn q931
debug voip ccapi inout
debug h225 asn1
debug h245 asn1
Collect debugs via:
Router(config)# service sequence Router(config)# service timestamps debug datetime msec Router(config)# logging buffered 10000000 7 Router(config)# no logging con Router(config)# no logging mon Router(config)# voice iec syslog Router# term len 0 Router# sh logg
Your nonstandard PI config under the POTS dial-peer may be the culprit for your ringback, but debugs should shed more light on that. Are the PI commands in there for another specific issue with ringback?
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