What channel type is the outgoing leg?

The inbound leg needs the variable switch_m_sdp set with the SDP of the outbound leg at the time when the outbound leg is answered.
In the case of mod_verto a patch was added today to set that variable.  If you are using something non-standard you will have to set that variable yourself.


On Tue, Dec 20, 2016 at 4:11 PM, Sharath Kumar <shakumarsoftware@gmail.com> wrote:
Hello,

I am using FS as an endpoint. I need some clarification the below scenario -

When I receive an INV w/o SDP and enable-3pcc=proxy, the FS sends out a 18x and then when I answer the call it indicates in the logs that it is sending a 200 OK i.e[3PCC-PROXY, Sent a 200 OK, waiting for ACK] but the call fails with  "SIP/2.0 500 No session set by user".

Should I be setting the local-sdp somewhere from my application? I know this is not a very common usage of FS. I would've tried this with the FS client to confirm the behavior but I don't think it supports 3pcc=pxoxy only 3pcc=true.

Thank you,
Shaks

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