Its working as designed. You have to remember we're a B2BUA... so we have some behaviors that may behave proxy like, but FreeSWITCH is still not a proxy. On Mon, Jun 5, 2017 at 4:46 AM, Lợi Đặng <loi.dangthanh@gmail.com> wrote:
Hi guys, I resend this because I guess my first email does not reach at all. Helps are appreciated. rgds, Loi Dang
On Mon, May 22, 2017 at 5:49 PM Lợi Đặng <loi.dangthanh@gmail.com> wrote:
Hi list, I'm using FS with *proxy-hold*. Call flow is simple A -> FreeSWITCH -> B Assume FS, A and B support PCMA and PCMU, FS prefer PCMA in codec-prefs profile configuration. In affects of my configuration for *greedy early negotiation* and *disable transcoding*, PCMA is negotiated in both legs for initial INVITE, that's good, and expected.
But then I remove PCMA from A and compose a re-INVITE for holding with PCMU only, the a leg is re-negotiated with PCMU, but the b leg have re-INVITE with PCMA due to *proxy-hold* variable, that causes transcoding happened after hold.
My desire is to have FS to re-negotiate with b leg too, not so similar but as what I observed when I was using it with media proxy option ( A-A before hold, U-U after hold).
I tried late negotiation in this case, but no luck. So is that not able for FS to re-negotiate codec on b leg, in using proxy-hold? Any advise is appreciated.
rgds, Loi Dang
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