Hi!
In my mobile phone’s (provider: Telefonica) mailbox is a fax,
because: I sent it there myself.
When I try to receive that fax via my DSL VoIP number (again: Telefonica),
I get an error and tcpdump tells me that the first reinvite is “not acceptable” and the second reinvite is a reason to say “BYE” (see appendix).
Is there a better solution than changing the extension.conf, so that my mailbox number is forced to be treated as non-T.38 (then it works fine and the mailbox says it uses a HP-OCMP)?
Thx.
Bye
Arne
appendix:
07:55:40.492031UTC
213.20.127.40.5060 > 192.168.1.3.5060: SIP, length: 1272
INVITE sip:43@192.168.1.3:5060 SIP/2.0
CSeq: 1037909783 INVITE
192.168.1.3.5060 > 213.20.127.40.5060: [udp sum ok] SIP, length: 619
SIP/2.0 100 Trying
192.168.1.3.5060 > 213.20.127.40.5060: [udp sum ok] SIP, length: 928
SIP/2.0 200 OK
213.20.127.40.5060 > 192.168.1.3.5060: [udp sum ok] SIP, length: 473
ACK sip:43@192.168.1.3:5060 SIP/2.0
07:55:44.013262UTC
192.168.1.3.5060 > 213.20.127.40.5060: [udp sum ok] SIP, length: 947
INVITE sip:sgc_c@213.20.127.40;transport=udp SIP/2.0
CSeq: 102 INVITE
m=image 4330 udptl t38
s=Asterisk PBX 15.0.0
a=T38FaxMaxDatagram:1400
213.20.127.40.5060 > 192.168.1.3.5060: [udp sum ok] SIP, length: 378
SIP/2.0 100 Trying
CSeq: 102 INVITE
213.20.127.40.5060 > 192.168.1.3.5060: [udp sum ok] SIP, length: 386
SIP/2.0 606 Not acceptable
CSeq: 102 INVITE
192.168.1.3.5060 > 213.20.127.40.5060: [udp sum ok] SIP, length: 470
ACK sip:sgc_c@213.20.127.40;transport=udp SIP/2.0
CSeq: 102 ACK
192.168.1.3.5060 > 213.20.127.40.5060: [udp sum ok] SIP, length: 927
INVITE sip:sgc_c@213.20.127.40;transport=udp SIP/2.0
CSeq: 103 INVITE
m=audio 15378 RTP/AVP 8 101
213.20.127.40.5060 > 192.168.1.3.5060: [udp sum ok] SIP, length: 390
SIP/2.0 487 Request terminated
CSeq: 103 INVITE
213.20.127.40.5060 > 192.168.1.3.5060: [udp sum ok] SIP, length: 423
BYE sip:43@192.168.1.3:5060 SIP/2.0
CSeq: 1037909784 BYE
192.168.1.3.5060 > 213.20.127.40.5060: [udp sum ok] SIP, length: 470
ACK sip:sgc_c@213.20.127.40;transport=udp SIP/2.0
CSeq: 103 ACK
07:55:44.492357UTC
192.168.1.3.5060 > 213.20.127.40.5060: [udp sum ok] SIP, length: 556
SIP/2.0 200 OK
CSeq: 1037909784 BYE