User's Manual 982 Document #: LTRT-27045
Mediant 1000B Gateway & E-SBC
Parameter Description
Set Out-Of-Service On
Registration Failure
configure voip > sip-definition
proxy-and-registration > set-oos-
on-reg-failure
[OOSOnRegistrationFail]
Enables setting the endpoint, 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 467
) 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.
Note:
 The parameter is applicable only to the Gateway application.
 The out-of-service method is configured using the
FXSOOSBehavior parameter.
configure voip > sip-definition
settings > expl-un-reg
[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 Registra
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".
Add Empty Authorization Header
configure voip > sip-definition
settings > add-empty-author-hdr
[EmptyAuthorizationHeader]
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
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