How to create dial patterns for India

This post is related to Asterisk and Elastix, An open source telephony software developed by Mark Spencer.

What is a Dial Pattern?

The pattern and numbers used by a phone user to dial out and reach a number is called Dial patterns. This is used by PBX to re-route towards any route is known as Dial Pattern. Alphanumeric and special characters are used as matching patterns in dial patterns. Writing Dial pattern is an essential thing for any PBX design. One must plan carefully afore to avoid drastic changes that may case a lot of confusions.

The following are the patterns that can be used in Asterisk based Open Source PBX. Continue reading