How to remove m=application line from SDP header

[Paul Freiberg]

Hi,

I got a problem with my cisco jabber when I use them as sofphone.

I removed all video sdp-headers but one line I can not remove with sip-profile:

m=application xxxxx RTP/SAVP 125

First my itsp always send me "message too large".

Now just "Not Acceptable Here"

I do not want to disable video for all csf's.

A call with a video telefon like dx80 works with removing all video sdp-headers.

Do you have an idea?

I tried this script on the sip trunk but without succes and I do not found a way to debug it:

M = {}

function M.inbound_INVITE(msg)

    local sdp = msg:getSdp()

    if sdp

    then

        sdp = sdp:removeLine("m=", "application")

        msg:setSdp(sdp)

    end

end

[Paul Freiberg]

OK after reading the Developer Guide for SIP Transparency and Normalization

I realazied that I just had to change the line:

"function M.inbound_INVITE(msg)"

to

"function M.outbound_INVITE(msg)"

Then I associated the script with the sip trunk to my cube/pstn and now I can call outside with the softclints :D

Thx 4 reading

[Timothy Schaefer · Accepted solution]

M = {}
function M.outbound_INVITE(msg)
local sdp = msg:getSdp()
if sdp
then
sdp = sdp:removeMediaDescription(3)
msg:setSdp(sdp)
end
end
return M

[Paul Freiberg]

Thanks ryschaef  ,

we resolved it with regions. To PSTN we do not allow video.

But if we do, I will use your script :)