URL Call is Disabled Error- BlueCloudUSA
https://youtu.be/tUXX7z6xRUA
Symptom
My Polycom desk phone can't get a dial tone and the screen reads Url call is disabled.
Applies To
Polycom IP phones
Resolution
Note: If available, we highly recommend consulting an IT or networking professional when dealing with network issues.
- Confirm that all ports and cabling are functional:
- Plug the affected phone in to a different Ethernet port.
- Switch out the Ethernet cable of the affected phone for a different one.
- Unplug the affected phone, and try a working phone with the same port/cable.
- Check firewall settings.
- If possible, ensure the phones are passing through only one router (a modem/router combo gateway connected to an additional standalone modem is a potentially problematic setup).
- Disable SPI and SIP-ALG in the router (if able) and reboot the router.
- Set both primary and secondary DNS on the routers to point to the ISP DNS, then perform a network power cycle.
Cause
This error typically indicates a local network connectivity problem, generally related to a DNS failure to resolve to BlueCloudUSA.
This can include:
- Faulty ports or cabling.
- The phone being unable to register with the BlueCloudUSA SIP Server (no service), possibly due to firewall or not being located on the proper subnet.
- Polycom phones being generally sensitive to SPI. Combo (modem/router) devices are notorious for having SPI enabled by default. Some don't have the ability to disable SPI.
- DNS issues.
- Other problematic network setup issues.
Additional Information
A firmware update may be required.
Please contact BlueCloudUSA support at support@bluecloudusa.com to schedule a call to get this resolved.
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