Author Topic: 420 bad extension on my vMCD  (Read 3755 times)

Offline jf1221

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420 bad extension on my vMCD
« on: July 08, 2014, 11:13:59 PM »
I cannot dial out...I can receive phone calls, but outbound is not working...i took some captures and I am getting a 420 bad extension. the provider is Windstream


Offline ralph

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Re: 420 bad extension on my vMCD
« Reply #1 on: July 09, 2014, 08:23:25 AM »
Some questions:
1) Does this work for any extension?
2) If it does work does it work only for certain phone models?

A couple of things: (most of which are just guesses on my part)
1) be sure the extension you are dialing out from is in the DID range.
2) In checking the pcap I can see in the invite a "Require: 100rel"   - pure guess on my part but in the SIP profile turn off Reliable Provisioning.


Ralph

Offline jf1221

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Re: 420 bad extension on my vMCD
« Reply #2 on: July 09, 2014, 03:18:21 PM »
that was it Ralph...
In checking the pcap I can see in the invite a "Require: 100rel"   - pure guess on my part but in the SIP profile turn off Reliable Provisioning.




 

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