Grandstream FXO Gateway GXW410X Caller ID Detection with 3CX Phone System

Description Many users encounter issues with the GXW4104/4108 not identifying caller IDs on incoming calls. Below are some troubleshooting steps to help resolve these issues. Troubleshooting Steps Telco Provider 1. Enable Caller Line Identification (CLI)Ensure that CLI is enabled on your phone line with your service provider. Many users are unaware that this service may … Read more