IP Telephony and Phones

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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...

Hello,I have configured an 2901 cisco router as a VoIP gateway, and when calls from ISDN to IP network arrives I can see that the SIP messages arrives from a port different from 5060 and differs from one call to another. It's possible to set this por...

espinedo1 by Level 1
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  • 7 replies
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Hi,We have an issue with calls being dropped after a number of seconds, when they get picked up by our voice mail system.See the figure below for a graph of our voice network. Calls are coming in via ISDN, they are transfered to a Gatekeeper with voi...

yoeri by Level 1
  • 1906 Views
  • 4 replies
  • 0 Helpful votes

Resolved! SPA3102 FXS port

Hello,I have a problem with my SPA3102's FXS port.In last April I tested my friend's two PAP2T adapters with four phones. The adapters were connected to same switch with different fix IP addresses and phones were able to ring each other. Then I got o...