4.
Technical Data
4.3.5
GUEST→ PBX
SIP/2.0 100 Trying
Via: SIP/2.0/UDP
000.000.000.000
:5060;branch=z9hG4bK1c6e5fcc;received=
000.000.000.000
;rport=5060
From: "
aiueo PBX
" <sip:
0312123434
@
000.000.000.000
>;tag=as48ac6d56
From: "
aiueo PBX
" <sip:
0312123434
@
000.000.000.000
>;tag=as48ac6d56
To: <sip:
080AAAAXXXX
@
xxx.xxx.xxx.xxx
>
Call-ID: 1443bb69616709ff719769cc61d28ce0@
xxx.xxx.xxx.xxx
CSeq: 103 INVITE
User-Agent: Asterisk PBX
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY
Supported: replaces
Contact: <sip:
0312123434
@
xxx.xxx.xxx.xxx
>
Contact: <sip:
0312123434
@
xxx.xxx.xxx.xxx
>
Content-Length: 0
4.3.6. GUEST → PBX
SIP/2.0 486 Busy Here
Via: SIP/2.0/UDP
000.000.000.000
:5060;branch=z9hG4bK1c6e5fcc;received=
000.000.000.000
;rport=5060
From: "
aiueo PBX
" <sip:
0312123434
@
000.000.000.000
>;tag=as48ac6d56
From: "
aiueo PBX
" <sip:
0312123434
@
000.000.000.000
>;tag=as48ac6d56
To: <sip:
080AAAAXXXX
@
xxx.xxx.xxx.xxx
>;tag=as715c3c5e
Call-ID: 1443bb69616709ff719769cc61d28ce0@
xxx.xxx.xxx.xxx
CSeq: 103 INVITE
User-Agent: Asterisk PBX
Contact: <sip:
0312123434
@
xxx.xxx.xxx.xxx
>
Content-Length: 0
4.3.7 PBX → GUEST
ACK sip:
0312123434
@
xxx.xxx.xxx.xxx
SIP/2.0
Via: SIP/2.0/UDP
000.000.000.000
:5060;branch=z9hG4bK1c6e5fcc;rport
From: "
aiueo PBX
" <sip:
0312123434
@
000.000.000.000
>;tag=as48ac6d56
To: <sip:
080AAAAXXXX
@
xxx.xxx.xxx.xxx
>;tag=as715c3c5e
To: <sip:
080AAAAXXXX
@
xxx.xxx.xxx.xxx
>;tag=as715c3c5e
Contact: <sip:
0312123434
@
000.000.000.000
>
Call-ID: 1443bb69616709ff719769cc61d28ce0@
xxx.xxx.xxx.xxx
CSeq: 103 ACK
User-Agent: Asterisk PBX Max-Forwards: 70
Content-Length: 0
39