User's Manual 550 Document #: LTRT-68822
Mediant 2000
Parameter Description
separately for each B-channel.
 [1] Per Gateway = (Default) Single registration and authentication for
the entire device. This is typically used for and digital modules.
Web: Set Out-Of-Service
On Registration Failure
EMS: Set OOS On
Registration Fail
[OOSOnRegistrationFail
]
Enables setting the , trunk, or entire device (i.e., all endpoints) to out-of-
service if registration fails.
 [0] Disable (default)
 [1] Enable
If the registration is per endpoint (i.e., AuthenticationMode is set to 0) or
per Account (see Configuring Trunk Group Settings on page 281) and 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. If all the
Accounts of a specific Trunk Group fail registration and if the Trunk
Group comprises a complete trunk, then the entire trunk is set to out-of-
service.
[UnregistrationMode]
Enables the device to perform explicit unregisters.
 [0] Disable (default)
 [1] Enable = The device sends an asterisk ("*") value in the SIP
Contact header, instructing the Registrar server to remove all
previous registration bindings. The device removes SIP User Agent
(UA) registration bindings in a Registrar, according to RFC 3261.
Registrations are soft state and expire unless refreshed, but they can
also be explicitly removed. A client can attempt to influence the
expiration interval selected by the Registrar. A UA requests the
immediate removal of a binding by specifying an expiration interval
of "0" for that contact address in a REGISTER request. UA's should
support this mechanism so that bindings can be removed before
their expiration interval has passed. Use of the "*" Contact header
field value allows a registering UA to remove all bindings associated
with an address-of-record (AOR) without knowing their precise
values.
Note: The REGISTER-specific Contact header field value of "*" applies
to all registrations, but it can only be used if the Expires header field is
present with a value of "0".
Web/EMS: Add Empty
Authorization Header
[EmptyAuthorizationHea
der]
Enables the inclusion of the SIP Authorization header in initial
registration (REGISTER) requests sent by the device.
 [0] Disable (default)
 [1] Enable
The Authorization header carries the credentials of a user agent (UA) in
a request to a server. The sent REGISTER message populates the
Authorization header with the following parameters:
 username - set to the value of the private user identity
 realm - set to the domain name of the home network
 uri - set to the SIP URI of the domain name of the home network
 nonce - set to an empty value
 response - set to an empty value
For example:
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