AudioCodes MediaPack 114 Manual do Utilizador descarregar pdf (Página 345)

Version 5.6 345 November 2008

SIP User's Manual 7. IP Telephony Capabilities

Via: SIP/2.0/UDP 10.1.1.200

From: <sip: [email protected]>;tag=1c17940

User-Agent: Audiocodes-Sip-Gateway/MediaPack/v.5.40.010.006

CSeq: 1 REGISTER

Expires:3600

2. Upon receipt of this request, the Registrar/Proxy returns 401 Unauthorized response.

SIP/2.0 401 Unauthorized

Via: SIP/2.0/UDP 10.2.1.200

From: <sip:[email protected] >;tag=1c17940

Cseq: 1 REGISTER

Date: Mon, 30 Jul 2001 15:33:54 GMT

Server: Columbia-SIP-Server/1.17

Content-Length: 0

WWW-Authenticate: Digest realm="audiocodes.com",

nonce="11432d6bce58ddf02e3b5e1c77c010d2",

stale=FALSE,

algorithm=MD5

3. According to the sub-header present in the WWW-Authenticate header, the correct

4. Since the algorithm is MD5, then:

• The username is equal to the endpoint phone number 122.

• The realm return by the proxy is audiocodes.com.

• The password from the ini file is AudioCodes.

• The equation to be evaluated is (according to RFC this part is called A1)

‘122:audiocodes.com:AudioCodes’.

• The MD5 algorithm is run on this equation and stored for future usage.

• The result is ‘a8f17d4b41ab8dab6c95d3c14e34a9e1’.

5. Next, the par called A2 needs to be evaluated:

• The method type is ‘REGISTER’.

• Using SIP protocol ‘sip’.

• Proxy IP from ini file is ‘10.2.2.222’.

• The equation to be evaluated is ‘REGISTER:sip:10.2.2.222’.

• The MD5 algorithm is run on this equation and stored for future usage.

• The result is ’a9a031cfddcb10d91c8e7b4926086f7e’.

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AudioCodes MediaPack 114 Manual do Utilizador Página 345