[SR-Users] rtpengine inserted random line into sdp

[Andrew Chen]

Thanks Richard.

I do have the nathelper module running but not rtpproxy.  How does
nathelper cause this issue?

On Fri, Jun 26, 2020 at 8:27 AM Richard Fuchs <rfuchs at sipwise.com> wrote:

> Looks like you're using both rtpengine and some other SDP-modifying module
> together, such as nathelper or rtpproxy, without calling
> msg_apply_changes() in between.
>
> Cheers
>
> On 25/06/2020 16.46, Andrew Chen wrote:
>
> Hi forum,
>
> I'm starting my rtpengine project and I'm facing a strange problem with
> rtpengine.  I am seeing this in the SDP part of the INVITE:
>
> a=rtcp:52021
>
> a=rtcp-mux
>
> 2001:470:7:3A7:0:0:0:2
>
> a=direction:active
>
> a=oldmediaip:54.153.25.234
>
> As you can see there is a random insert of the local kamailio IP in there
> and I'm have tried the following to remove it but failed to succeed:
>
> - Remove in the offer the combination of ICE and
> replace-session-connection flags
> - Switched between rtpengine_offer and rtpengine_manage
> - Restarted ngcp-rtpengine-daemon process
> - Used sdpops function sdp_remove_line_by_preifx()
>
> Currently running Kamailio 5.1.2.
>
> I am running out of ideas.
>
> Any suggestions would be greatly appreciated.
>
> --
> Andy Chen
> Sr. Telephony Lead Engineer
> achen@ <achen at thinkingphones.com>fuze.com
>
>
>
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-- 
Andy Chen
Sr. Telephony Lead Engineer
415 516 5535 (M)
achen@ <achen at thinkingphones.com>fuze.com

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