7.14.3 Sip Trunking Between Enterprise And Itsps - AudioCodes Mediant 2000 User Manual
Media sip gateway
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- User manual (702 pages) ,
- Installation manual (44 pages) ,
- Hardware installation manual (30 pages)
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SIP User's Manual
Final stage:
6.
•
The A1 result: The nonce from the proxy response is
'11432d6bce58ddf02e3b5e1c77c010d2'.
•
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 2000/v.5.40.010.006
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"
Upon receiving this request and if accepted by the Proxy, the proxy returns a 200 OK
7.
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
7.14.3 SIP Trunking between Enterprise and ITSPs
By implementing the device's enhanced and flexible routing configuration capabilities using
Proxy Sets, IP Groups, and Accounts, you can "design" complex routing schemes. This
section provides an example of an elaborate routing scheme for SIP trunking between an
Enterprise's PBX and two Internet Telephony Service Providers (ITSP), using AudioCodes'
device.
Version 5.6
373
7. IP Telephony Capabilities
November 2008
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