3CX call by name
When you call in the phone system, if you do not know the extension number of the person you wish to contact, and you just know his or her name, you still can contact him or her by dialing the name. In 3CX, we can realize it like this: when we call in the 3CX server, we will go to the digital receptionist, then [...]
3CX SBC unable to reach the 3CX server
Description We have a customer who is having problems installing 3CX SBC. The error message was Cannot obtain provisional data. We checked that the customer's 3CX FQDN was entered correctly and that the SBC's operating system is 3CX supported OS. We couldn't tell what the problem was for a while. Troubleshooting [...]
How to solve install-instance-manager returned error code 255 error
Description The following error code occurs when enable the 3CX Instance Management: install-instance-manager returned error code 255 How to solve switch to root user and input following command: wget -O - https://downloads-global.3cx.com/downloads/misc/debianpatches/9/16/0/5/20200619-os-update.sh | bash After e [...]
DIDs and extensions will be one to one
In the 3CX, if the sip trunk have many DIDs, the DIDs and extensions can be set as one to one, it means when one extension calls out through the sip trunk, one specific DID will display on the screen of the callee. When anyone dials the DID number from outside, the specific extension will ring too. In order to r [...]
How to use freeSSHd for 3CX
Background Some of our customers want to use Windows to build an SFTP server for storing 3CX backup files. In this document we will introduce how to use freeSSHd to backup 3CX(Use openssh key). Install and configure freeSSHd Go to freesshd to download the package:https://freesshd.updatestar.com/Follow the wizard [...]
3CX Mailbox Server Test 5.7.0 Denied Error
Overview The mailbox server in the 3CX server is very important for the 3CX system. The mailbox server is used to send various notification emails, such as sending welcome emails to extension users and sending various types of event emails to designated extensions. Our free version of 3CX currently uses an SMTP [...]
How to block the call from 3CX IVR extension
How to block the call from 3CX IVR extension Overview If we create a Digital Receptionistextension (Also called IVR extension) when we using 3CX system, then after the call is sent to the IVR, other extension numbers can be dialed directly from the IVR extension. Many companies will bind the company's [...]
How to use Putty to connect to Alibaba ECS that using SSH key pair
How to use Putty to connect to Alibaba ECS that using SSH key pair Why use a key pair for Alibaba Cloud ECS? Alibaba Cloud SSH key pair is a secure and convenient login authentication method. It consists of a public key and a private key, and only supports Linux instances. The SSH key pair generates a pair of ke [...]