Installation & Operation Manual 766 Document # LTRT-92224
Mediant 8000
43.14.2 Registrations Database
The board manages a dynamic database that is updated according to registration
requests that traverse the SBC application. Each database entry represents a binding
between an Address Of Record (AOR) and one or more contacts. Database bindings
are added upon successful registration responses. For specific registrations, the AOR
is obtained from the SIP To header and the contact is taken from the SIP Contact
header.
Note: The Registrations Database is independently maintained by each SIP board.
No information is shared between different SIP boards.
Database bindings are deleted in the following cases:
Successful de-registration responses (REGISTER with Expires header that
equals zero)
Registration failure responses
Timeout of the Expires header value (in scenarios where the user agent did not
send a refresh registration request)
The database has the following limitations:
Maximum registered users is 200
Maximum of five contacts per AOR
The same contact cannot belong to more than one AOR
Contacts with identical URIs and different ports and transport types are not
supported (same key is created)
Multiple contacts in a single REGISTER is not supported
One database is shared between all USER-type IP Groups.
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