Establishing A Call Between Two Devices - AudioCodes Mediant 600 User Manual
Voip media gateways
sip protocol
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Also See for Mediant 600:
- User manual (850 pages) ,
- Installation manual (52 pages) ,
- Hardware installation manual (32 pages)
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SIP User's Manual
•
The A2 result: The equation to be evaluated is
'A1:11432d6bce58ddf02e3b5e1c77c010d2:A2'.
•
The MD5 algorithm is run on this equation. The outcome of the calculation is the
response needed by the device to register with the Proxy.
•
The response is 'b9c45d0234a5abf5ddf5c704029b38cf'.
At this time, a new REGISTER request is issued with the following response:
REGISTER sip:10.2.2.222 SIP/2.0
Via: SIP/2.0/UDP 10.1.1.200
From: <sip: 122@10.1.1.200>;tag=1c23940
To: <sip: 122@10.1.1.200>
Call-ID: 654982194@10.1.1.200
Server: Audiocodes-Sip-Gateway/Mediant 1000/v.6.00.010.006
CSeq: 1 REGISTER
Contact: sip:122@10.1.1.200:
Expires:3600
Authorization: Digest, username: 122,
realm="audiocodes.com",
nonce="11432d6bce58ddf02e3b5e1c77c010d2",
uri="10.2.2.222",
response="b9c45d0234a5abf5ddf5c704029b38cf"
7.
Upon receiving this request and if accepted by the Proxy, the proxy returns a 200 OK
response closing the REGISTER transaction:
SIP/2.0 200 OK
Via: SIP/2.0/UDP 10.1.1.200
From: <sip: 122@10.1.1.200>;tag=1c23940
To: <sip: 122@10.1.1.200>
Call-ID: 654982194@10.1.1.200
Cseq: 1 REGISTER
Date: Thu, 26 Jul 2001 09:34:42 GMT
Server: Columbia-SIP-Server/1.17
Content-Length: 0
Contact: <sip:122@10.1.1.200>; expires="Thu, 26 Jul 2001 10:34:42
GMT"; action=proxy; q=1.00
Contact: <122@10.1.1.200:>; expires="Tue, 19 Jan 2038 03:14:07
GMT"; action=proxy; q=0.00
Expires: Thu, 26 Jul 2001 10:34:42 GMT
8.3.10.3 Establishing a Call between Two Devices
This section provides an example on configuring two AudioCodes' devices with FXS
interfaces for establishing call communication. After configuration, you can make calls
between telephones connected to the same device and between the two devices.
This example assumes the following:
The IP address of the first device is 10.2.37.10 and its endpoint numbers are 101 to
104.
The IP address of the second device is 10.2.37.20 and its endpoint numbers are 201
to 204.
A SIP Proxy is not used. Internal call routing is performed using the device's
'Outbound IP Routing Table'.
Version 6.2
345
8. IP Telephony Capabilities
February 2011
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