I have spoken with both www.Gotalk.com.au & www.Pennytel.com and they both said that re-invite are automatically enable on every account.
I thought it may have something to do with NAT setting in my router (by the way I found a great site www.portforward.com) but then I realised that I'm do not have any hardware or softphones connected when I am having the issue with re-invites when my trunk is calling my mobile extension as a classic extension when my SIP extension is not answering after 15 seconds - as I don't have the extension registered when I may experiencing the issue and doing the test calls.
So if my TSP supports re-invites then it must be to do with how I have the trunk, incoming routing, outgoing routing, extension or ringing group configured with PBXes.
Below is my system log of the test call:-
Mar 6 09:55:12 VERBOSE[16632] logger.c: Found RTP audio format 96
Mar 6 09:55:12 VERBOSE[16632] logger.c: Found RTP audio format 97
Mar 6 09:55:12 VERBOSE[16632] logger.c: Found RTP audio format 18
Mar 6 09:55:12 VERBOSE[16632] logger.c: Found RTP audio format 4
Mar 6 09:55:12 VERBOSE[16632] logger.c: Found RTP audio format 8
Mar 6 09:55:12 VERBOSE[16632] logger.c: Found RTP audio format 0
Mar 6 09:55:12 VERBOSE[16632] logger.c: Found RTP audio format 101
Mar 6 09:55:12 VERBOSE[16632] logger.c: Peer audio RTP is at port 202.169.178.12:16778
Mar 6 09:55:12 VERBOSE[16632] logger.c: Peer video RTP is at port 202.169.178.12:65535
Mar 6 09:55:12 VERBOSE[16632] logger.c: Found description format iLBC
Mar 6 09:55:12 VERBOSE[16632] logger.c: Found description format iLBC
Mar 6 09:55:12 VERBOSE[16632] logger.c: Found description format G729
Mar 6 09:55:12 VERBOSE[16632] logger.c: Found description format G723
Mar 6 09:55:12 VERBOSE[16632] logger.c: Found description format PCMA
Mar 6 09:55:12 VERBOSE[16632] logger.c: Found description format PCMU
Mar 6 09:55:12 VERBOSE[16632] logger.c: Found description format telephone-event
Mar 6 09:55:12 VERBOSE[16632] logger.c: Capabilities: us - 0x71e (gsm|ulaw|alaw|g726|g729|speex|ilbc), peer - audio=0x50d (g723|ulaw|alaw|g729|ilbc)/video=0x0 (nothing), combined - 0x50c (ulaw|alaw|g729|ilbc)
Mar 6 09:55:12 VERBOSE[16632] logger.c: Non-codec capabilities: us - 0x1 (telephone-event), peer - 0x1 (telephone-event), combined - 0x1 (telephone-event)
Mar 6 09:55:13 VERBOSE[30141] logger.c: -- Called 0400XXXXXX@from-internal/n
Mar 6 09:55:13 VERBOSE[30155] logger.c: We're at 124.108.37.109 port 43682
Mar 6 09:55:13 VERBOSE[30155] logger.c: Video is at 124.108.37.109 port 38402
Mar 6 09:55:13 VERBOSE[30155] logger.c: Adding codec 0x4 (ulaw) to SDP
Mar 6 09:55:13 VERBOSE[30155] logger.c: Adding codec 0x8 (alaw) to SDP
Mar 6 09:55:13 VERBOSE[30155] logger.c: Adding codec 0x10 (g726) to SDP
Mar 6 09:55:13 VERBOSE[30155] logger.c: Adding codec 0x400 (ilbc) to SDP
Mar 6 09:55:13 VERBOSE[30155] logger.c: Adding codec 0x2 (gsm) to SDP
Mar 6 09:55:13 VERBOSE[30155] logger.c: Adding codec 0x200 (speex) to SDP
Mar 6 09:55:13 VERBOSE[30155] logger.c: Adding non-codec 0x1 (telephone-event) to SDP
Mar 6 09:55:13 VERBOSE[30155] logger.c: -- Called Pennytel075313XXXX/0400XXXXXX
Mar 6 09:55:13 VERBOSE[16632] chan_sip.c: SIP response 100 to standard invite
Mar 6 09:55:13 VERBOSE[16632] chan_sip.c: SIP response 401 to standard invite
Mar 6 09:55:13 VERBOSE[16632] logger.c: We're at 124.108.37.109 port 43682
Mar 6 09:55:13 VERBOSE[16632] logger.c: Video is at 124.108.37.109 port 38402
Mar 6 09:55:13 VERBOSE[16632] logger.c: Adding codec 0x4 (ulaw) to SDP
Mar 6 09:55:13 VERBOSE[16632] logger.c: Adding codec 0x8 (alaw) to SDP
Mar 6 09:55:13 VERBOSE[16632] logger.c: Adding codec 0x10 (g726) to SDP
Mar 6 09:55:13 VERBOSE[16632] logger.c: Adding codec 0x400 (ilbc) to SDP
Mar 6 09:55:13 VERBOSE[16632] logger.c: Adding codec 0x2 (gsm) to SDP
Mar 6 09:55:13 VERBOSE[16632] logger.c: Adding codec 0x200 (speex) to SDP
Mar 6 09:55:13 VERBOSE[16632] logger.c: Adding non-codec 0x1 (telephone-event) to SDP
Mar 6 09:55:13 VERBOSE[16632] chan_sip.c: SIP response 100 to standard invite
Mar 6 09:55:18 VERBOSE[16632] chan_sip.c: SIP response 183 to standard invite
Mar 6 09:55:18 VERBOSE[16632] logger.c: Found RTP audio format 0
Mar 6 09:55:18 VERBOSE[16632] logger.c: Found RTP audio format 101
Mar 6 09:55:18 VERBOSE[16632] logger.c: Peer audio RTP is at port 202.85.241.98:20608
Mar 6 09:55:18 VERBOSE[16632] logger.c: Peer video RTP is at port 202.85.241.98:65535
Mar 6 09:55:18 VERBOSE[16632] logger.c: Found description format PCMU
Mar 6 09:55:18 VERBOSE[16632] logger.c: Found description format telephone-event
Mar 6 09:55:18 VERBOSE[16632] logger.c: Capabilities: us - 0x71e (gsm|ulaw|alaw|g726|g729|speex|ilbc), peer - audio=0x4 (ulaw)/video=0x0 (nothing), combined - 0x4 (ulaw)
Mar 6 09:55:18 VERBOSE[16632] logger.c: Non-codec capabilities: us - 0x1 (telephone-event), peer - 0x1 (telephone-event), combined - 0x1 (telephone-event)
Mar 6 09:55:18 VERBOSE[30141] logger.c: We're at 124.108.37.109 port 42178
Mar 6 09:55:18 VERBOSE[30141] logger.c: Video is at 124.108.37.109 port 37406
Mar 6 09:55:18 VERBOSE[30141] logger.c: Adding codec 0x4 (ulaw) to SDP
Mar 6 09:55:18 VERBOSE[30141] logger.c: Adding codec 0x8 (alaw) to SDP
Mar 6 09:55:18 VERBOSE[30141] logger.c: Adding codec 0x400 (ilbc) to SDP
Mar 6 09:55:18 VERBOSE[30141] logger.c: Adding non-codec 0x1 (telephone-event) to SDP
Mar 6 09:55:18 VERBOSE[30141] chan_sip.c: Oooh, format changed to 1024
Mar 6 09:55:18 VERBOSE[30141] chan_sip.c: Oooh, format changed to 4
Mar 6 09:55:27 VERBOSE[16632] chan_sip.c: SIP response 200 to standard invite
Mar 6 09:55:27 VERBOSE[16632] logger.c: Found RTP audio format 0
Mar 6 09:55:27 VERBOSE[16632] logger.c: Found RTP audio format 101
Mar 6 09:55:27 VERBOSE[16632] logger.c: Peer audio RTP is at port 202.85.241.98:20608
Mar 6 09:55:27 VERBOSE[16632] logger.c: Peer video RTP is at port 202.85.241.98:65535
Mar 6 09:55:27 VERBOSE[16632] logger.c: Found description format PCMU
Mar 6 09:55:27 VERBOSE[16632] logger.c: Found description format telephone-event
Mar 6 09:55:27 VERBOSE[16632] logger.c: Capabilities: us - 0x71e (gsm|ulaw|alaw|g726|g729|speex|ilbc), peer - audio=0x4 (ulaw)/video=0x0 (nothing), combined - 0x4 (ulaw)
Mar 6 09:55:27 VERBOSE[16632] logger.c: Non-codec capabilities: us - 0x1 (telephone-event), peer - 0x1 (telephone-event), combined - 0x1 (telephone-event)
Mar 6 09:55:27 VERBOSE[30155] logger.c: -- SIP/Pennytel075313XXXX-bc19 answered Local/0400XXXXXX@from-internal/n-f070,2
Mar 6 09:55:27 VERBOSE[30141] logger.c: -- Local/0400XXXXXX@from-internal/n-f070,1 answered SIP/09410719-a375
Mar 6 09:55:27 VERBOSE[30141] logger.c: We're at 124.108.37.109 port 42178
Mar 6 09:55:27 VERBOSE[30141] logger.c: Video is at 124.108.37.109 port 37406
Mar 6 09:55:27 VERBOSE[30141] logger.c: Adding codec 0x4 (ulaw) to SDP
Mar 6 09:55:27 VERBOSE[30141] logger.c: Adding codec 0x8 (alaw) to SDP
Mar 6 09:55:27 VERBOSE[30141] logger.c: Adding codec 0x400 (ilbc) to SDP
Mar 6 09:55:27 VERBOSE[30141] logger.c: Adding non-codec 0x1 (telephone-event) to SDP
Mar 6 09:55:38 VERBOSE[30155] chan_sip.c: Hangup call SIP/Pennytel075313XXXX-bc19, SIP callid 020cfc98706690b830df43e9321b41a1@sip.pennytel.com
Mar 6 09:55:38 VERBOSE[30141] chan_sip.c: Hangup call SIP/09410719-a375, SIP callid 349f-46f-252010235512-TCP_IMG02-1-210.80.190.195
|