Connecting an External Extension to 3CX PhoneSystem is often requested, and can be extremely useful for linking small remote offices and home workers. Here we get a shot at using other phones as External Extensions. Note: If you are looking for instructions to connect a SIP Hardphone using the 3CX Tunnel Protocol via the 3CX SIP…
Tag: SIP
Configuring a Gamma VoIP Provider Trunk
Note: This guide is for information purposes only. If you require assistance with a trunk provided by Gamma Telecom, please contact Gamma directly for assistance. If you are planning to integrate with a VoIP Provider within the Supported Providers List, please visit this page. To obtain reliable connectivity with a VoIP Connection from Gamma Telecom (in the…
Simple PHP Screen popping and message taking script
i wrote this little application a while ago as a test and for my own curiosity to see if i could create a message taking system to work with asterisk/trixbox. i was at the time going to present this to the employer i was working for however i left the company and did not get…
Setting up DNS SRV for services like SIP and IAX…
This is a copy and paste from voip-info.org which helped me on a recent project… All credits go to the author of the post oej… DNS SRV A Domain Name Server (DNS) SRV record helps connecting to a SIP user in a similar way that an MX record helps email delivery. When you send email…
Configuring a snom 3xx to work with a SIP based PBX…
Introduction and Background. This ‘How to’ guide will guide you through setting up a snom phone for an IP-PBX or SIP Based Telephony Service. When you first plug in your snom 3xx IP Phone it will show some information on the LCD screen one being the MAC address the other being the IP address, please…
Asterisk firewall and some useful tips….
So you have just installed asterisk on a linux system, and maybe you have also installed FreePBX to administer it, good for you. Firewalls.. Below i have listed a nice firewall script for use on a fresh centos+Asterisk installation. service iptables restart iptables -P INPUT ACCEPT iptables -F iptables -A INPUT -i lo -j ACCEPT…
Is VoIP for you…?
Lets start by asking this question a differant way… Do you want to save money on the cost of a phone system, in installation and ongoing line rental costs as compared to a Traditional Lines based system? So if the answer to this is yes your next task is to find the right VoIP installation…