1. Configuration Guide
  2. IMS Support
  3. Surrogate Registration
  4. SIP Surrogate Registration Enhancements
  5. With Enhancements

With Enhancements

With the enhancements configured, the Oracle Communications Session Border Controller supports:

  • Registration retry—You can configure the surrogate agent to retry registration when after a failure, timeout, or transport error. You can set how many times the Oracle Communications Session Border Controller will attempt to register each user; a setting of zero means retries are umlimited. You can also define the number of seconds to wait before initiating a retry. The Oracle Communications Session Border Controller tracks each registration retry count and timers, and sends an SNMP trap when it reaches the maximum number of retries, which signifies failed registration.
  • Authentication loop prevention—Authentication loops can occur in previous releases when the Oracle Communications Session Border Controller resends a registration request with authentication in response to 401, 403, or 407 responses (indicating, for example, that there might be a password error). Using the new enhancements, the Oracle Communications Session Border Controller only allows permits the retransmission of one request. It now considers further 401, 403, or 407 responses to be errors and initiates the retry mechanism.
  • Automatic increment enhancements—Now, the automatic increment works with the caret (^) in the register-user and register-contact-user fields. These carets define where the automatically generated incrementing number is inserted in the username. You can also use multiple carets to define leading zeroes to insert; for example, the entry user^^^^ will become user0001. You can also define the starting integer for the incrementing registrations. For example, setting the AoR count to 20, the count start to 5, and using the value user^^^^ for register-user and register-contact-user results in the incremented user registrations user0005 through user0025.