AudioCodes mediapack MP-500 User Manual

Version 5.8 527 October 2009
SIP User's Manual 9. IP Telephony Capabilities
9.16 SIP Call Flow Example
The SIP call flow (shown in the following figure), describes SIP messages exchanged
between two devices during a simple call. In this call flow example, device (10.8.201.158)
with phone number ‘6000’ dials device (10.8.201.161) with phone number ‘2000’.
Figure 9-39: SIP Call Flow
 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>
User-Agent: Audiocodes-Sip-Gateway/MP-500 MSBG/v.5.40.010.006
Supported: 100rel,em
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
a=rtpmap:8 pcma/8000
a=rtpmap:96 telephone-event/8000
a=fmtp:96 0-15
a=ptime:20

AudioCodes mediapack MP-500 Specifications

General

Brand	AudioCodes
Model	mediapack MP-500
Category	Gateway
Language	English