Sip Call Flow Example; Figure 4-1: Sip Call Flow Example - AudioCodes Mediant 2000 User Manual
Sip voip gateway
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Also See for Mediant 2000:
- User manual (702 pages) ,
- Installation manual (44 pages) ,
- Hardware installation manual (30 pages)
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4.4
SIP Call Flow Example
The Call Flow, shown in Figure 4-1, describes SIP messages exchanged between Mediant
2000/SIP Gateway and an MP-108 Gateway during a simple call.
MP-108 with phone number "8000", calls Mediant 2000 with phone number "1000":
Mediant 2000
10.8.201.10
F1 10.8.201.108 ==> 10.8.201.10 INVITE
INVITE sip:1000@10.8.201.10;user=phone SIP/2.0
Via: SIP/2.0/UDP 10.8.201.108;branch=z9hG4bKacsiJkDGd
From: <sip:8000@10.8.201.108>;tag=1c5354
To: <sip:1000@10.8.201.10>
Call-ID: 534366556655skKw-8000--1000@10.8.201.108
CSeq: 18153 INVITE
Contact: <sip:8000@10.8.201.108;user=phone>
Supported: 100rel,em
Accept-Language: en
Allow: REGISTER,OPTIONS,INVITE,ACK,CANCEL,BYE,NOTIFY,PRACK,REFER,INFO
Content-Type: application/sdp
Content-Length: 208
v=0
o=AudiocodesGW 18132 74003 IN IP4 10.8.201.108
s=Phone-Call
c=IN IP4 10.8.201.108
t=0 0
m=audio 4000 RTP/AVP 8 96
Mediant 2000/SIP
Figure 4-1: SIP Call Flow Example
INVITE
Trying
Ringing
200 OK
Ack
BYE
200 OK
44
MP-108
10.8.201.108
F1
F2
F3
F4
F5
F6
F7
Mediant 2000/SIP
Document #: LTRT-00688
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