Note XXXXXXXXXXXXX is a context that includes internal. I could change sip.conf to actually use internal, but I don't see that this would make any difference. Standard 1.4.22.1 code -- Executing [700@internal:1] Park("SIP/6106-09027e28", "") in new stack == Parked SIP/6106-09027e28 on 701@parkedcalls. Will timeout back to extension [internal] s, 1 in 45 seconds -- Playing 'digits/7' (language 'en') -- Playing 'digits/0' (language 'en') -- Playing 'digits/1' (language 'en') -- Added extension '701' priority 1 to parkedcalls -- Started music on hold, class 'default', on SIP/6106-09027e28 == Spawn extension (internal, s, 1) exited KEEPALIVE on 'SIP/6106-09027e28' -- Executing [701@XXXXXXXXXXXXX:1] ParkedCall("SIP/djw-messenger-090917f8 ", "701") in new stack -- Stopped music on hold on SIP/6106-09027e28 -- Channel SIP/djw-messenger-090917f8 connected to parked call 701 localhost*CLI> sip show channels Peer User/ANR Call ID Seq (Tx/Rx) Format Hold Last Message 192.168.71.79 djw-messen NDExNDcxODc 00101/00002 0x4 (ulaw) No Rx: ACK 192.168.81.160 6106 8f10945c-93 00101/00001 0x4 (ulaw) No Rx: ACK 192.168.81.160 6105 7af25b28-fb 00101/00002 0x4 (ulaw) Yes Rx: ACK 3 active SIP channels localhost*CLI> sip show channel ND localhost*CLI> * SIP Call Curr. trans. direction: Incoming Call-ID: NDExNDcxODc3MGJkZDUxNzY1MjBiNjI4Mzc4OWFkMDc. Owner channel ID: SIP/djw-messenger-090917f8 Our Codec Capability: 524302 Non-Codec Capability (DTMF): 1 Their Codec Capability: 1548 Joint Codec Capability: 12 Format: 0x4 (ulaw) MaxCallBR: 384 kbps Theoretical Address: 192.168.71.79:45962 Received Address: 192.168.71.79:45962 SIP Transfer mode: closed NAT Support: RFC3581 Audio IP: 192.168.130.116 (local) Our Tag: as3d1a39c2 Their Tag: f74a006f SIP User agent: X-Lite release 1011s stamp 41150 Username: djw-messenger Peername: djw-messenger Original uri: sip:djw-messenger@192.168.71.79:45962 Caller-ID: 6102 Need Destroy: 0 Last Message: Rx: ACK Promiscuous Redir: No Route: sip:djw-messenger@192.168.71.79:45962 DTMF Mode: rfc2833 SIP Options: (none) Patched code: -- Executing [700@internal:1] Park("SIP/6106-09842ef8", "") in new stack == Parked SIP/6106-09842ef8 on 701@parkedcalls. Will timeout back to extension [internal] s, 1 in 45 seconds -- Playing 'digits/7' (language 'en') -- Playing 'digits/0' (language 'en') -- Playing 'digits/1' (language 'en') -- Added extension '701' priority 1 to parkedcalls -- Started music on hold, class 'default', on SIP/6106-09842ef8 == Spawn extension (internal, s, 1) exited KEEPALIVE on 'SIP/6106-09842ef8' -- Executing [701@XXXXXXXXXXXXX:1] ParkedCall("SIP/djw-messenger-09850620 ", "701") in new stack -- Stopped music on hold on SIP/6106-09842ef8 -- Channel SIP/djw-messenger-09850620 connected to parked call 701 -- Native bridging SIP/djw-messenger-09850620 and SIP/6106-09842ef8 localhost*CLI> sip show channels Peer User/ANR Call ID Seq (Tx/Rx) Format Hold Last Message 192.168.71.79 djw-messen NDJlYzkwMmV 00102/00002 0x4 (ulaw) No Tx: ACK 192.168.81.160 6106 8ea91a2a-eb 00102/00001 0x4 (ulaw) No Tx: ACK 2 active SIP channels localhost*CLI> sip show channel ND localhost*CLI> * SIP CallI> Curr. trans. direction: Outgoing Call-ID: NDJlYzkwMmViZDA2Zjc2NTBjZDU5N2Y1YmI4ZjcxOWM. Owner channel ID: SIP/djw-messenger-09850620 Our Codec Capability: 4 Non-Codec Capability (DTMF): 1 Their Codec Capability: 4 Joint Codec Capability: 4 Format: 0x4 (ulaw) MaxCallBR: 384 kbps Theoretical Address: 192.168.71.79:45962 Received Address: 192.168.71.79:45962 SIP Transfer mode: closed NAT Support: RFC3581 Audio IP: 192.168.81.160 (Outside bridge) Our Tag: as0e74aac8 Their Tag: 17504f69 SIP User agent: X-Lite release 1011s stamp 41150 Username: djw-messenger Peername: djw-messenger Original uri: sip:djw-messenger@192.168.71.79:45962 Caller-ID: 6102 Need Destroy: 0 Last Message: Tx: ACK Promiscuous Redir: No Route: sip:djw-messenger@192.168.71.79:45962 DTMF Mode: rfc2833 SIP Options: (none) localhost*CLI>