PJSIP Hangupcause How To

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February 2, 2017 CDR Asterisk Users 1 Comment

if a PJSIP call fails, how can I capture SIP code, like 503,603 etc?
in old SIP channel, we had ${HASH(SIP_CAUSE,)}
but in PJSIP it has to be the outbound channel, which is gone when the control returns to the calling channel.