IP Telephony and Phones

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Just upgraded a router to a 2911 with FXO ports.  I have one Telco line for SRST and 911.  When dialing inbound, I hear two rings, silence, then rings, and the IP phone will ring and get answered (Plar is set to the extension of the Cisco phone).    ...

Hi,Just want to confirm my theoretical understanding of provisioning a 2811.  Can the running config be copied from device A and pasted into device B (another 2811 with exact hardware configuration) in order to provision it as a replacement unit?  in...

We're running CUCM 8.5.  I need to reset a route list, to add a new SIP router as a secondary outbound cube.What's the impact on current calls/phones if I reset the route list during the day?The new config has already been tested.Thanks              ...

Hi,I planned to integrate Cisco IP telephony for one of our customers China branch.Dial plan site is really complicated. Lots of area codes with different lenghts, change of GSM numbering type depend on city exc.Does anyone have any experience on IPT...