FreePBX 15 with Mitel 6863i / 6867i phones
When dialing *80ext intercom the call does not disconnect on hangup
Intercom audio works fine, but call does not end on hangup until after 30sec
== Spawn extension (ext-intercom, *803901, 34) exited non-zero on ‘PJSIP/3904-00000049’
== Setting global variable ‘SIPDOMAIN’ to ‘10.1.200.250’
== Using SIP RTP Audio TOS bits 184
== Using SIP RTP Audio TOS bits 184 in TCLASS field.
== Using SIP RTP Audio CoS mark 5
== Spawn extension (from-internal, *803901, 1) exited non-zero on ‘PJSIP/3901-0000004e’
== Using SIP RTP Audio TOS bits 184
== Using SIP RTP Audio TOS bits 184 in TCLASS field.
== Using SIP RTP Audio CoS mark 5
[2021-03-23 18:22:11] NOTICE[2542]: res_pjsip_sdp_rtp.c:149 rtp_check_timeout: Disconnecting channel ‘PJSIP/3904-0000004c’ for lack of audio RTP activity in 30 seconds
== Spawn extension (ext-intercom, *803901, 34) exited non-zero on ‘PJSIP/3904-0000004c’