[Freeswitch-users] Rewriting SDP with switch_r_sdp

[Anthony Minessale]

I should have said

<action application="set">
<![CDATA[switch_r_sdp=(sdp here)
 ]]>
</action>


On Tue, Nov 17, 2009 at 2:15 PM, Anthony Minessale <
anthony.minessale at gmail.com> wrote:

> you can do
>
> <action application="set">
> <![CDATA[(sdp here)
>  ]]>
> </action>
>
>
> On Tue, Nov 17, 2009 at 1:44 PM, regs at kinetix.gr <regs at kinetix.gr> wrote:
>
>> I am trying to achieve something similar to that :
>>
>> http://wiki.freeswitch.org/wiki/Codec_negotiation#Modifying_the_codec_when_using_proxy_media_mode
>>
>> but I am using xml_curl to create the dialplan (i.e. the web server that
>> serves the dialplan makes the decision about the SDP). So I need a way
>> to write
>> the new SDP in the XML dialplan response. However, in  the above example
>> due to the regex manipulation the user is not  facing the problem that I
>> am
>> with setting the switch_r_sdp to a complex value that contains =,
>> spaces, new lines etc.
>>
>> Brian West wrote:
>> > Why are you needing to rewrite it?
>> >
>> > /b
>> >
>> > On Nov 17, 2009, at 7:42 AM, Apostolos Pantsiopoulos wrote:
>> >
>> >
>> >> I am trying to use switch_r_sdp to rewrite the SDP.
>> >> The problem I am facing has to do with the way of doing it.
>> >>
>> >> Let's say I have:
>> >>
>> >> v=0
>> >> o=- 1258463684 1258463684 IN IP4 xxx.xxx.xxx.xxx
>> >> s=Opal SIP Session
>> >> c=IN IP4 xxx.xxx.xxx.xxx
>> >> t=0 0
>> >> m=audio 5144 RTP/AVP 18 3 101 120
>> >> c=IN IP4 xxx.xxx.xxx.xxx
>> >> a=rtpmap:18 G729/8000/1
>> >> a=fmtp:18 annexb=no
>> >> a=rtpmap:3 gsm/8000/1
>> >> a=rtpmap:101 telephone-event/8000
>> >> a=fmtp:101 0-16,32,36
>> >> a=rtpmap:120 NSE/8000
>> >> a=fmtp:120 192-193
>> >>
>> >> who to I  set the switch_r_sdp variable in xml?
>> >>
>> >> Obviously this doesn't work :
>> >>
>> >> <action application="set" data="switch_r_sdp=v=0
>> >> o=- 1258463842 1258463842 IN IP4 xxx.xxx.xxx.xxx
>> >> s=Opal SIP Session
>> >> c=IN IP4 xxx.xxx.xxx.xxx
>> >> t=0 0
>> >> m=audio 5148 RTP/AVP 18 3 101 120
>> >> c=IN IP4 xxx.xxx.xxx.xxx
>> >> a=rtpmap:18 G729/8000/1
>> >> a=fmtp:18 annexb=no
>> >> a=rtpmap:3 gsm/8000/1
>> >> a=rtpmap:101 telephone-event/8000
>> >> a=fmtp:101 0-16,32,36
>> >> a=rtpmap:120 NSE/8000
>> >> a=fmtp:120 192-193
>> >> "/>
>> >>
>> >> Do I have to escape any special characters and how?
>> >> I tried using escaped quotes, escaped spaces, escaped tabs etc.
>> >> Nothing worked.
>> >>
>> >> Any suggestions?
>> >>
>> >>
>> >>
>> >>
>> >> --
>> >> -------------------------------------------
>> >> Apostolos Pantsiopoulos
>> >> Kinetix Tele.com R & D
>> >> email: regs at kinetix.gr
>> >> -------------------------------------------
>> >>
>> >> _______________________________________________
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>> >>
>> >
>> >
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>>
>>
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>
>
>
> --
> Anthony Minessale II
>
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-- 
Anthony Minessale II

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