AudioCodes MediaPack 114 Manual do Utilizador Página 346

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SIP User's Manual 346 Document #: LTRT-65411
MediaPack Series
6. Final stage:
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: [email protected]>;tag=1c23940
To: <sip: [email protected]>
Server: Audiocodes-Sip-Gateway/MediaPack/v.5.40.010.006
CSeq: 1 REGISTER
Contact: sip:[email protected]:
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 O
K
Via: SIP/2.0/UDP 10.1.1.200
From: <sip: [email protected]>;tag=1c23940
To: <sip: [email protected]>
Cseq: 1 REGISTER
Date: Thu, 26 Jul 2001 09:34:42 GMT
Server: Columbia-SIP-Server/1.17
Content-Length: 0
Contact: <sip:[email protected]>; expires="Thu, 26 Jul 2001 10:34:42
GMT"; action=proxy; q=1.00
Contact: <[email protected]:>; expires="Tue, 19 Jan 2038 03:14:07
GMT"; action=proxy; q=0.00
Expires: Thu, 26 Jul 2001 10:34:42 GMT
7.13.3 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 or between the two devices.
In the example, 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. In this example, a SIP Proxy is not used. Internal call routing is
performed using the device's ‘Tel to IP Routing’ table.
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