AudioCodes MP-1FXO Manual de usuario Pagina 238

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MediaPack
SIP User's Manual 238 Document #: LTRT-65408
8.12.2 SIP Call Flow
The following Call Flow describes SIP messages exchanged between two MediaPack
gateways during simple call.
Telephone ‘6000’ dials ‘2000’, sending INVITE message to Gateway 10.8.201.161.
Figure 8-6: SIP Call Flow
INVITE F1
200 OK F3
Ringing F2
ACK F4
BYE F5
200 OK F6
10.8.201.158
10.8.201.161
F1 10.8.201.158 ==> 10.8.201.161 INVITE
INVITE sip:[email protected];user=phone SIP/2.0
Via: SIP/2.0/UDP 10.8.201.158;branch=z9hG4bKacolwbzYF
From: <sip:[email protected]>;tag=1c3535
CSeq: 20214 INVITE
Contact: <sip:[email protected];user=phone>
User-Agent: Audiocodes-Sip-Gateway/MP-118 FXS/v.4.20.299.410
Supported: 100rel,em
Allow: REGISTER,OPTIONS,INVITE,ACK,CANCEL,BYE,NOTIFY,PRACK,REFER,INFO
Content-Type: application/sdp
Content-Length: 208
v=0
s=Phone-Call
t=0 0
o=AudiocodesGW 87943 43401 IN IP4 10.8.201.158
c=IN IP4 10.8.201.158
m=audio 6000 RTP/AVP 8 96
a=rtpmap:8 pcma/8000
a=rtpmap:96 telephone-event/8000
a=fmtp:96 0-15
a=ptime:20
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