[Freeswitch-users] inbound-late-negotiation and attended transfer

[Joshua Shaffner]

You probably saw this page, http://wiki.freeswitch.org/wiki/Codec_negotiation

I am still learning here but how about experimenting with transcoding
disabled, or setting absolute_codec_string (or codec_string) when
bridging a call?

Let us know how it goes.

HTH,
Joshua

On Tue, Mar 22, 2011 at 6:11 AM, Dmitry Bely <dmitry.bely at gmail.com> wrote:
> I have G722 and PCMU enabled for internal extensions and PCMU only for
> an external gateway. Inbound-late-negotiation parameter is set so then
> an incoming call arrives PCMU is used without transcoding. But it goes
> worse when transfer is involved:
>
> call 1: gw <-- PCMU--> FreeSwitch <-- PCMU --> operator
> call 2: operator <-- G722 --> FreeSwitch <-- G722--> extension
> transfer (refer): gw <-- PCMU--> FreeSwitch <-- G722--> extension
>
> Is it possible to renegotiate a codec during transfer to get rid of transcoding?
>
> - Dmitry Bely
>
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