[cisco-voip] Cannot transfer an off net call to another codec through an h323 gw

[Kris Seraphine]

Do you see anything in the CM event logs about an unavailable MTP resource?


Also, enabling slow start on the gateway often solves problems like this.
It's a setting under voice services voip -> h323 I think.

On 5/4/07, Anthony Kouloglou <akoul at dataways.gr> wrote:
>
> Hi,
> i have problems in transfering an incoming call established with g711
> codec, to another device that uses g729.
> So, there is a CCM 5.X with extensions 1XXX and 2XXX for example.
>
> 1.VGW (H323)
> 2. ExtA 1000
>    ExtB 1001
>
> 3  ExtC 2000
>
> A, B and voicegw are in the same devicepool and use g711.
> C is in another device pool that use g729 for calls to the other device
> pool.
>
> GW has 2 different voip dial-peers:
> one with g711 to connect with extensions A, B, and
> one with g729 to connect with C
> and one pots dial-peer to call outside to the TELCO numbers
>
> Incoming calls to vgw from the telco, work fine either to extensions A,B
> or C directly (depending on the dial-peer, it uses the appropriate codec).
> When A, calls B directly, B can tranfer the call to C
> When A, receives a call from the Telco, cannot tranfer it to C: the call
> drops and busy tone is played to both ends.
>
> Does, h323 needs something special for this config?
>
> thanks
> anthony
>
>
>
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-- 
kris seraphine
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