[cisco-voip] Pressing Confrn Causes Call To Disconnect?

[Wes Sisk]

Given this: "I tried this with a remote site, cell phone, and internal 
phones and it always disconnects"

I suspect you are using CM's built in software conference bridge.  This 
only supports G.711 codec.  remote locations typically use one of the 
low bitrate codecs such as G.729.  This will cause a codec mismatch.

You could try change the regions configuration to allow g.711 and test.  
If you want to conference remote sites you will either need a hardware 
conference bridge or a transcoder located at the remote site to 
transcode from 711 to 729.

/Wes

On Friday, July 31, 2009 11:08:08 AM , Curtis, Adam 
<ACurtis at pizzagalli.com> wrote:
>
> Over the couple of days our users have noticed that if they are on a 
> call and want to conference someone else in they press the *Confrn* 
> button, dial the number and the person answers, but when they press 
> the *Confrn* button again one or both parties are dropped from the 
> call. Is this a codec issue? If so, what log traces should I be 
> looking for? I tried this with a remote site, cell phone, and internal 
> phones and it always disconnects but if I conference in voicemail and 
> they auto attendant it works fine.. Any ideas would be greatly 
> appreciated!
>
>  
>
> Thank you,
>
>  
>
> *Adam Curtis*
>
> *Pizzagalli Construction Company*
>
> *IT Support Technician*
>
> *(802) 651-1319*
>
> ------------------------------------------------------------------------
>
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> cisco-voip at puck.nether.net
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>   

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