Jul 15 12:04:48 DEBUG[81926]: Setting NAT on RTP to 0 
Jul 15 12:04:48 DEBUG[81926]: Stopping retransmission on '73EC2E08-A830-46B3-9C04-B792E289520F@MYIP' of Response 1258: Found 
Jul 15 12:04:48 DEBUG[81926]: Setting NAT on RTP to 0 
Jul 15 12:04:48 DEBUG[81926]: Check for res for 513 
Jul 15 12:04:48 DEBUG[81926]: Call from user '513' is 1 out of 0 
Jul 15 12:04:48 DEBUG[81926]: build_route: Contact hop: <sip:513@MYIP:5060> 
Jul 15 12:04:48 VERBOSE[524306]:     -- Executing Playback("SIP/513-dd51", "demo-echotest") in new stack 
Jul 15 12:04:48 DEBUG[524306]: Ooh, format changed from UNKN to ULAW 
Jul 15 12:04:48 DEBUG[524306]: Scheduling timer at 160 sample intervals 
Jul 15 12:04:48 VERBOSE[524306]:     -- Playing 'demo-echotest' (language 'en') 
Jul 15 12:04:48 DEBUG[81926]: Stopping retransmission on '73EC2E08-A830-46B3-9C04-B792E289520F@MYIP' of Response 1259: Found 
Jul 15 12:04:48 DEBUG[524306]: Oooh, format changed to 2 
Jul 15 12:05:32 DEBUG[524306]: Scheduling timer at 0 sample intervals 
Jul 15 12:05:32 VERBOSE[524306]:   == Spawn extension (default, 10, 1) exited non-zero on 'SIP/513-dd51' 
Jul 15 12:05:32 DEBUG[524306]: find_user(513) - decrement inUse counter