Routing – Trunks

22. World Class Routing – Part 3 – ARS tables.

I hope you remember the discussion regarding dialplan (where you added the 9 as a FAC) and the feature access codes because you will need them here. We spoke about how the system knows to access the outer world via routes and trunks and how to restrict the users via the FRL. However, what we did not spoke of was ...

Read More »

21. World Class Routing – Part 2 – Route-Patterns

What are the commands associated with route-patterns ? Well, as usual: display route-pattern [number] change route-pattern (no add command, you can just change). I will start with the list command as i want to warn you of a "beginner's" trap. When you execute list route-pattern you might see a screen like this one Don't be fooled by the Name field. ...

Read More »

20. World Class Routing – Part 1 – FRL

If you remember I've said that the trunks are the way a call gets out of the system. It's important to make this small distinction. Direct dialing is when you dial a extension in your system according to the dialplan. Indirect dialing assumes that you will leave the system via a trunk. But the trunk is just the way to ...

Read More »

19. Trunks and signaling groups

Trunks. They are the hands of our system as they allow us to receive or make outside calls. Basically, if you were to consider your phone at home an extension, then the cable connecting your phone to the central office (also known as CO in telecom) would be the trunk for that system. Now, the trunks have some characteristics set ...

Read More »