[cisco-voip] Cannot Create Conference

[Jonathan Charles]

If it is CCM5, the reason is because, by default, CCM5 uses G729
across the WAN. The CCM Conference Bridge only supports G711.

So, even if you didn't configure your regions to use 729, they are anyway.

Your solution is to change it to 711.

Or, you can throw the CFB into a device pool that only uses 711
regions, and, supposedly it will work... haven't tried it yet.


Jonathan

On 6/8/07, Johnny Crothers <Johnny.Crothers at vanco.co.uk> wrote:
>
>
>
>
> Hi,
>
>
>
> This is probably just my understanding.. but
>
>
>
> At a remote site, MGCP gateway, CCM across a WAN.
>
>
>
> Trying to create a conference between 2x7960's and a 7912. When I try to
> conference in the third phone (The Conference host can dial the third
> number, establish the call) I receive the message "Cannot Create
> Conference".
>
>
>
> This is the log entry from the CCM
>
>
>
> 06/07/2007 14:38:45.954 CCM|UnicastBridgeControl - ERROR  CcSetup /
> Conference failed - Capabilities incompatible -- Ci = 200005C,
> Cdpn=b00113307001|<CLID::StandAloneCluster><NID::172.25.4.100><CT::2,100,126,1.55907><IP::172.17.99.138><DEV::SEP000BFD32E3BF>
>
>
>
> Can anyone explain why? I thought the phones are able to support 4 Adhoc
> conferences without using the software or hardware conferencing resources?
> Or am I mistaken?
>
>
>
> Cheers,
>
>
>
> Johnny
>
>
>
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