How to troubleshoot internal call issues on Furuno Boating Equipment?
- RRenee PadillaAug 27, 2025
To resolve the issue of not being able to make internal calls on your Furuno Boating Equipment, take the following steps: * Check that the handset and/or analog phone cables are properly connected to the communication unit. * If using an analog phone, check the phone number in the Web software by navigating to Settings ? Basic settings ? Analog ports to ensure it is correct. * In the web software, go to Settings ? PBX settings ? Extension to verify that "Outside" or "Incoming" does not appear in the [Call limit] setting. * Confirm that the same extension number and password are entered in both the handset and web software. For the handset, go to Settings ? 3 SIP ? 1 Client set. In the web software, go to Settings ? PBX settings ? Extension.










