Hello,

During three-way handshake (SIP call setup - INVITE-200 OK - ACK) and before generating or sending the final 200 OK call, is there a way to confirm the caller is still available (no network issue)?

I want to detect broken connections (ex. the uac uses 3G network) before generating/sending/forwarding the final 200 OK.

Thanks.

Regards

Abdoul 

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