Quote Originally Posted by chevyman View Post
Then how do you do inbound numbers, so some sip extensions can also have direct dial outside numbers?
You have a few options for adding inbound numbers:

1) Order the numbers in the PAYG section for $1/mo + $0.01/Min and select what extension you want them to route to.

2) Point the number to the SIP address of the extension you want it to route to directly.

Go here for more detailed info:

Interconnection - Incoming