3rd Party sip on CME/UC500 gives busy tones

Answered Question
Sep 17th, 2007
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Hi all,

We have an UC500 running and want a Linksys Sip phone to connect to it. The UC500 uses the CME IOS.

The phone registers itself correctly. I am able to call the extension. But when i pickup to answer, or to place an outbound call, i'll get an busy tone.

I've made the following additions to the UC500:


Voice register global

authenticate realm test.local


Voice register dn 14

number 214

voice register pool 14

id mac xxxx.xxxx.xxxx

number 1 dn 14

dtmf-relay rtp-nte

Username xxxxx password xxxxx


I hope somebody can point me in the right direction.


Albert

Correct Answer by paolo bevilacqua about 9 years 10 months ago

You need to specify voice-class under voice register pool.

I meant debug ccsip message,sorry.

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Overall Rating: 5 (2 ratings)
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paolo bevilacqua Mon, 09/17/2007 - 03:09
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Please configure a codec for the phone. If that fails, please collect 'debug sscip message' with 'term mon' and post it here.

leeflang Mon, 09/17/2007 - 03:25
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Hi,

The codec configuration in the UC500 is as follows:

voice class codec 1

codec preference 1 g711ulaw

codec preference 2 g729r8


The Linksys phone is also configured for G711u.


The debug sscip message isn't understood by the UC500. Is there any other debug i can post that should give us any helpfull info?


Correct Answer
paolo bevilacqua Mon, 09/17/2007 - 03:27
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You need to specify voice-class under voice register pool.

I meant debug ccsip message,sorry.

leeflang Mon, 09/17/2007 - 03:35
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voice-class codec 1 did the trick!

Your the master ;) Thank you.


paolo bevilacqua Mon, 09/17/2007 - 03:46
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Thank you for the nice rating and good luck!

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