AudioCodes MediaPack 114 Manual do Utilizador descarregar pdf (Página 119)

Version 5.6 119 November 2008

SIP User's Manual 3. Web-Based Management

Parameter Description

Cnonce

[Cnonce]

Cnonce string used by the SIP server and client to provide mutual

authentication. (Free format, i.e., 'Cnonce = 0a4f113b'). The default is

'Default_Cnonce'.

Authentication Mode

[AuthenticationMode]

Determines the device's registration and authentication method.

 [0] Per Endpoint = Registration and Authentication separately for

each endpoint.

 [1] Per Gateway = Single Registration and Authentication for the

entire device (default).

 [3] Per FXS = Registration and Authentication for FXS endpoints.

Typically, Authentication per endpoint is used for FXS

interfaces,where each endpoint registers (and authenticates)

separately with its own user name and password.

Single Registration and Authentication (Authentication Mode = 1) is

usually defined for FXO ports.

Set Out-Of-Service On

Registration Failure

[OOSOnRegistrationFail]

Enables setting an endpoint or the entire device (i.e., all endpoints) to

out-of-service if registration fails.

 [0] Disable = Disabled (default).

 [1] Enable = Enabled.

If the registration is per Endpoint (i.e., AuthenticationMode is set to 0)

or Account (refer to ''Configuring the Hunt Group Settings'' on page

183) a

nd a specific endpoint/Account registration fails (SIP 4xx or no

response), then that endpoint is set to out-of-service until a success

response is received in a subsequent registration request. When the

registration is per the entire device (i.e., AuthenticationMode is set to

1) and registration fails, all endpoints are set to out-of-service.

The out-of-service method is set according to the parameter

FXSOOSBehavior.

Challenge Caching Mode

[SIPChallengeCachingMo

de]

Determines the mode for Challenge Caching, which reduces the

number of SIP messages transmitted through the network. The first

request to the Proxy is sent without authorization. The Proxy sends a

401/407 response with a challenge. This response is saved for further

uses. A new request is resent with the appropriate credentials.

Subsequent requests to the Proxy are automatically sent with

credentials (calculated from the saved challenge). If the Proxy doesn't

accept the new request and sends another challenge, the old

challenge is replaced with the new one.

 [0] None = Challenges are not cached. Every new request is sent

without preliminary authorization. If the request is challenged, a

new request with authorization data is sent (default)

 [1] INVITE Only = Challenges issued for INVITE requests are

cached. This prevents a mixture of REGISTER and INVITE

authorizations.

 [2] Full = Caches all challenges from the proxies.

Note: Challenge Caching is used with all proxies and not only with the

active one.

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