[cisco-voip] how codec transparent works?

[s m]

hello Ryan,

thank you for your reply. without codec transparent, my phone rings but
when i answer i have no voice and it hangs up after 5 seconds. asterisk
says "no answer". this is so strange for me. i think media negotiation
failed, right? is there any hint to have h323 trunk to asterisk with
specific codec (not transparent one)???

On Sun, May 10, 2015 at 4:32 PM, Ryan Huff <ryanhuff at outlook.com> wrote:

> Codec transparent just passes sdp through to the other call leg without
> trying to do media negotiations.
>
> So without codec transparent,  what happens?
> Thanks,
>
> Ryan
>
>
> -------- Original Message --------
> From: s m <sam.gh1986 at gmail.com>
> Sent: Sunday, May 10, 2015 01:19 AM
> To: cisco-voip at puck.nether.net
> Subject: [cisco-voip] how codec transparent works?
>
> hello everybody,
>
> anybody knows how codec transparent works?
>
> i have a strange problem. i want to set h323 trunk between asterisk and
> cisco 2800. it only works when i set codec transparent in dial-peer nodes.
> show commands in cisco shows that i have a call with g711alaw but if i set
> codec g711alaw in dial-peers, i do not have any success call. i know it is
> codec compatibility problem. is there any difference between g711 codecs
> which cisco and asterisk utilize? what happened when codec is set to
> transparent? dose anyone know anything about it?
>
> thanks is advance
> SAM
>
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