How do I prevent SIP from cancelling the registration when refreshing the register session?

Whenever xMatters refreshes the SIP register session, the Node cancels the current registration session; can I configure my SIP deployment to prevent this?

When refreshing a SIP session, the default configuration always sends a "cancellation registration" before sending the registration. For xMatters 4.0.0 patch 005, a feature was added to allow administrators to change this behavior.

To reconfigure the registration cancellations for a SIP deployment:

  1. Stop the xMatters node.
  2. Do one of the following:
    • In xMatters 4.0 (patch 005 and later), open the<xMHOME>\node\assets\resources\spring\integration\deSipContext.xml file and locate the property.
    • In xMatters 4.1 and 5.0, open the <xMHOME>/node/assets/config/ file and locate the sipRegistrationAgent.sendCancellationRegistration property.
  3. Change the value for the property to false.
  4. Save and close the file.
  5. Restart the node.

Repeat the above steps for each node in your deployment.

Note: This configuration change will apply to all SIP service providers in your xMatters deployment. It is not possible to have one SIP provider send cancellations, and another provider omit them.

xMatters Reference

JDN-1120 Originally created by Don Clark

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