VoIP Troubleshooting

No Dial Tone

Check all connections to the VoIP Telephone Adapter. Make sure that the LED on the VoIP Telephone Adapter is green when the phone is off hook. If not, ensure that you have an Internet connection.

Try the solutions as described in "Troubleshooting calling Issues with Firewall/Router"

Only One-Way Voice

If your VoIP telephone adapter is placed behind a router or a combined modem/router, you may experience problems with your VoIP service because of firewall issues.

Try the solutions as described in "Troubleshooting calling Issues with Firewall/Router"

Phone Does Not Ring

Check all connections to the VoIP Telephone Adapter. Make sure the ring volume on the phone is properly adjusted.

Try the solutions as described in "Troubleshooting calling Issues with Firewall/Router"

Fast Busy Signal

Reboot your equipment as described in "Rebooting Your Equipment."

Try the solutions as described in "Troubleshooting calling Issues with Firewall/Router"

I can receive calls but cannot make calls

If your VoIP telephone adapter is placed behind a router or a combined modem/router, you may experience problems with your VoIP service because of firewall issues.

Try the solutions as described in "Troubleshooting calling Issues with Firewall/Router"

I can make calls but cannot receive calls

If your VoIP telephone adapter is placed behind a router or a combined modem/router, you may experience problems with your VoIP service because of firewall issues.

Try the solutions as described in "Troubleshooting calling Issues with Firewall/Router"

USB vs. Ethernet Port

If your broadband provider requires a USB connection instead of Ethernet, you must purchase a USB to Ethernet converter to connect to the VoIP Telephone Adapter.