Configure SIP timers

 

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Overview

You can configure Timer B, the timeout in milliseconds for receiving a reply from a client after the SIP container sends an INVITE request to that client.

If a SIP container does not receive a reply from a client after the defined Timer B timeout value, the container sends error message 408 to the application.

The default timeout value is 64*T1, which equals 32 000 milliseconds (32 seconds) when Timer T1 is set to its default value of 500 milliseconds. To set the Timer B value:

 

Procedure

1. Expand...

   Servers | Application servers | serverName | Container Settings | SIP Container Settings | SIP Container | Additional Properties | Custom properties

2. On the Custom properties screen, do one of the following:

   1. If your Timer B property already exists in the list of custom properties, find and click on your Timer B settings to bring up the Configuration tab and enter your new setting in the value field.

   2. Click New to bring up the Configuration tab and enter...

      javax.sip.transaction.timerb

      ...in the name field and your desired value in milliseconds in the value field.

   Then click Apply to make your changes.

3. Click save to save your settings to the master configuration. You may need to restart your server for the changes to take effect.

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SIP timer summary

 

Related tasks

Browse all SIP topics
Configure security for the SIP container
Configure the SIP container

 

Related information

Session Initiation Protocol (SIP) container settings