AudioCodes MediaPack MP-11 Series User Manual

Version 7.2 1157 Mediant 1000B Gateway & E-SBC
User's Manual 62. Configuration Parameters Reference
Parameter Description
session-expires
[SBCMinSE]
SE header.
The valid range is 0 (default) to 1,000,000, where 0 means th
at
the device does not limit Session-Expires.
configure voip > sbc settings > sbc-
session-refresh-policy
[SBCSessionRefreshingPolicy]
Defines the SIP user agent responsible for periodically sending
refresh requests for established sessions (active calls). The
session refresh allows SIP UAs or proxies to determine the
status of the SIP session. When a session expires, the session
is considered terminated by the UAs, regardless of whether a
SIP BYE was sent by one of the UAs.
The SIP Session-Expires header conveys the lifetime of the
session, which is sent in re-INVITE or UPDATE requests
(session refresh requests). The 'refresher=' parameter in the
Session-Expires header (sent in the initial INVITE or
subsequent 2xx response) indicates who sends the session
refresh requests. If the parameter contains the value 'uac', the
device performs the refreshes; if the parameter contains the
value 'uas', the remote proxy performs the refreshes. An
example of the Session-Expires header is shown below:
Session-Expires: 4000;refresher=uac
Thus, the parameter is useful when a UA does not support
session refresh requests or does not support the indication of
who performs session refresh requests. In such a scenario, the
device can be configured to perform the session refresh
requests.
 [0] Remote Refresher = (Default) The UA (proxy) performs
the session refresh requests. The device indicates this to
the UA by sending the SIP message with the 'refresher='
parameter in the Session-Expires header set to 'uas'.
 [1] SBC Refresher = The device performs the session
refresh requests. The device indicates this to the UA by
sending the SIP message with the 'refresher=' parameter in
the Session-Expires header set to 'uac'.
Note: The time values of the Session-Expires (session refresh
interval) and Min-SE (minimum session refresh interval)
headers can be configured using the SBCSessionExpires and
SBCMinSE parameters, respectively.
User Registration Grace Time
configure voip > sbc settings > sbc-
usr-reg-grace-time
[SBCUserRegistrationGraceTime]
Defines additional time (in seconds) to add to the registration
expiry time users that are registered in the device's Users
Registration database.
The valid value is 0 to 2,000,000. The default is 0.
For more information, see Registration Refreshes on page
613.
SBC DB Routing Search Mode
configure voip > sbc settings > sbc-
db-route-mode
[SBCDBRoutingSearchMode]
Defines the method for searching a registered user in the
device's User Registration database when a SIP INVITE
message is received for routing to a user. If the registered user
is found (i.e., destination URI in INVITE), the device routes the
call to the user's corresponding contact address specified in
the database.
 [0] All permutations = (Default) Device searches for the
user in the database using the entire Request-URI
(user@host). If not found, it searches for the user part of

AudioCodes MediaPack MP-11 Series Specifications

General

Brand	AudioCodes
Model	MediaPack MP-11 Series
Category	Gateway
Language	English