SIP User's Manual 694 Document #: LTRT-12804
Mediant 800 MSBG
Parameter Description
Web: Set Out-Of-Service On
Registration Failure
EMS: Set OOS On Registration Fail
[OOSOnRegistrationFail]
Enables setting an endpoint, trunk, or the 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 Hunt Group
Settings'' on page 148) 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. If all the
Accounts of a specific Hunt Group fail registration and if the
Hunt Group comprises a complete trunk, then the entire trunk
is set to out-of-service.
Note: Te out-of-service method is configured using the
parameter FXSOOSBehavior.
[UnregistrationMode]
Determines whether the device performs an explicit unregister.
[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.
When enabled, 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
[EmptyAuthorizationHeader]
Determines whether the SIP Authorization header is included
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
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