499 caller is forbidden when the 3CX extensions cannot call each other
Grace2023-04-06T16:10:28+08:00Background: Users reported that after upgrading the 3CX server, their mobile app and IP
Direct IP call with Fanvil Phone
Joe Fu2023-02-24T16:39:01+08:00Scene Description Under the same interconnected LAN, there are two Fanvil phones are not registered in
How to use a custom ringtone for a Fanvil Phone
Joe Fu2023-02-24T16:30:29+08:00There are fewer types of ringtones that come with the phone. Most people use
3CX with Remote auto provisioning of Fanvil phones using Fanvil FDPS server
Joe Fu2023-02-24T08:54:26+08:00If a large number of the Fanvil phones need to remotely register to 3CX server, in
Manually register a remote extension to 3CX requires STUN server to be enabled
Joe Fu2023-02-24T08:20:18+08:00We have many customers’ 3CX servers in the cloud. When manually registering extensions, we
How to hidden DND (Do Not Disturb) function of Fanvil Phone
Joe Fu2023-02-23T19:29:40+08:00We have customers who often come to ask us why his ip phone can’t be called
The Fanvil Phone cannot get the IP address
Joe Fu2023-02-23T19:23:30+08:00Troubleshooting and Solutions Problem phenomenon 1 The phone and the computer are connected to the same
