# Test SIP Connectivity

Run this test if SIP devices are experiencing problems connecting to the configured ICPs. In addition to attempting to find SIP signaling services, the test looks for the following firewall configuration issues:

- Port rotation problems—response must come from UDP port 5060.
- SIP awareness—firewall must be configured to support SIP.

Note: For further information on the items tested, see RFC 3581.

To run the SIP connectivity test:

1. On the MBG main page, click the Troubleshooting tab, and click Diagnostics.
2. Beside SIP connectivity tests, click Run. Test results are displayed.

Parent topic: Connectivity Tests
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