[SR-Users] KSR.sdpops.remove_media is not working as expected

Miteshkumar Thakkar mitesh.thakkar at plivo.com
Thu Dec 19 10:55:59 CET 2019


Thank you for your response Henning!

Unfortunately, it is not removed from outgoing message.
True. I also believe that msg_apply_changes is not recommended, hence I am
not using that.

Thank you,
Mitesh


On Thu, Dec 19, 2019 at 3:14 PM Henning Westerholt <hw at skalatan.de> wrote:

> Hello,
>
>
>
> does it actually remove the media after you send the message out? Usually
> the message altering functions will only be applied when you send out the
> message due to performance reasons.
>
>
>
> You can force it in the cfg with the function “msg_apply_changes” – then
> you should be able to see it as well in the log. But using this function
> has other side effects and is not recommended if you don’t need it.
>
>
>
> Cheers,
>
>
>
> Henning
>
>
>
> --
>
> Henning Westerholt – https://skalatan.de/blog/
>
> Kamailio services – https://gilawa.com
>
>
>
> *From:* sr-users <sr-users-bounces at lists.kamailio.org> *On Behalf Of *Miteshkumar
> Thakkar
> *Sent:* Tuesday, December 17, 2019 6:53 AM
> *To:* sr-users at lists.kamailio.org
> *Subject:* [SR-Users] KSR.sdpops.remove_media is not working as expected
>
>
>
> Hi,
>
>
>
> I wants to remove media type "image" from SDP. For that I have tried to
> use KSR.sdpops.remove_media but it is not working. Not working in the sense
> that there is no effect of that function on SDP. I am using lua. Kindly
> find more details below.
>
>
>
> *Kamailio version*: kamailio 5.2.5 (x86_64/linux) 62d35f
>
>
>
> *SDP to process:*
>
> INVITE sip:xxxxxxxxxx at xxxxxxxxx.com:5060 SIP/2.0
> Via: SIP/2.0/UDP xxx.xxx.xxx.xxx:5060;branch=z9hG4bK-60823-1-0
> From: xxxxxxxxxx <sip: xxxxxxxxxx@ xxxxxxxxxx.com:5060>;tag=xxxxx
> To: xxxxxxxxxx <sip: xxxxxxxxxx@ xxxxxxxxxx.com:5060>
> Call-ID: 1-60823 at 172.16.19.64
> CSeq: 1 INVITE
> Contact: sip:xx at xxxxxxx:5060
> Max-Forwards: 70
> Content-Type: application/sdp
> Content-Length:   337
>
> v=0
> o=zt 53655765 2353687637 IN IP4 xxx.xxx.xxx.xxx
> s=-
> c=IN IP4 xxx.xxx.xxx.xxx
> t=0 0
> m=image xxxx RTP/AVP udptl t38
> a=sendrecv
> a=T38FaxVersion:0
> a=T38MaxBitRate:14400
> a=T38FaxRateManagement:transferredTCF
> a=T38FaxMaxBuffer:262
> a=T38FaxMaxDatagram:176
> a=T38FaxUdpEC:t38UDPRedundancy
> m=audio xxxx RTP/AVP 0
> a=rtpmap:0 PCMU/8000
>
>
>
>
>
> *Code snippet:*
>
> KSR.sdpops.remove_media("image")
> logger.log("info", "SDP:" .. headers.get("$sdp(body)"))
>
>
>
> *Log snippet:*
>
> https://pastebin.com/5JZmQUfq
>
>
>
> One more thing I would like to mention that if I do not use dialog module
> then the function KSR.sdpops.remove_media works. But I can not avoid using
> dialog module.
>
>
>
> Thanks in advance.
>
>
>
> Mitesh
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.kamailio.org/pipermail/sr-users/attachments/20191219/c2832c87/attachment.html>


More information about the sr-users mailing list