Troubleshooting

Error 408
408 Request Timeout (no response received from the server) It means that your UniTel Voice Softphone cannot reach our SIP server or the server is...

Modified on: Tue, 8 Nov, 2022 at 9:16 AM
Error 503
503 Service Unavailable (may also say Internal Server Error) You or your admin requested TLS or TCP transport, but the SIP server is not configur...

Modified on: Fri, 7 Jan, 2022 at 3:48 PM
Using UniTel Voice Diagnostics
If you have contacted UniTel Voice Customer Support in order to troubleshoot a problem, you may have been asked to generate a diagnostic log repor...

Modified on: Wed, 11 May, 2022 at 6:47 AM
Ports, IP addresses, firewall rules to allow on your network for Desktop Softphone
Provisioning Core Services IP addresses and domain names IP Addresses We suggest customers open up inbound and outbound access to these rang...

Modified on: Mon, 21 Nov, 2022 at 2:06 PM
Error 403 Troubleshooting
If you receive a 403 error, it means that our system understands your Softphone's registration or call request, but it could not be completed....

Modified on: Tue, 1 Nov, 2022 at 6:44 AM