Resolving Core platform phone issues

Troubleshooting Your Phone System

Solutions for common phone issues.

Written by Felix Yanko

Step 1
Run our speed test and SIP ALG test to confirm there are no network issues. 

Speed Test

SIP ALG Test

If SIP ALG is detected, please use this article to disable it on your network modem/router: How To disable SIP ALG 

Step 2
If the line buttons on the phone are red, try rebooting the phone

Step 3
Is the phone getting an IP address from your network 💻🔌❓You can find the IP by following this guide 📖:

Find the IP of your phone

If the phone is not getting an IP, please check to make sure that the ethernet cable is plugged into the LAN port, and the other end is plugged into port 1-4 on your router/switch/modem.

Updated on: 07/28/2021