Chapter 5. How To Configure Advanced SIP
Show One Number When Calling
You can select to show one single calling number regardless of which user makes the call. This is useful when you want others to use your Answering service/Auto Attendant when calling back to you.
In the Matching From Header table, you define from which network the calls can come. You can also select what the From header (that tells who is calling) should look like. This is used when matching requests in the Dial Plan table below. Name each definition properly, to make it easier to use further on.
In the Matching
In this case, you want to define the calls that should be routed to your SIP operator, which is call destinations where the usernames consist of numbers only, as these most likely are intended to go to the PSTN network. Call destinations that look like helen@sip.ingate.com should not be routed via the SIP operator, but be handled by the Telecommuting Module itself.
You can let users call international numbers with a + sign instead of the international prefix. For this, define the + sign as a Prefix, which means that it will be stripped before the call is forwarded.
The Min. Tail is set to 4 here, to open for the possibility of
In the Forward To table, you define where calls should be forwarded. This is used in the Dial Plan table below.
In this case, the calls should be forwarded to your SIP operator account that was defined before. You select the account under Account.
The calls can also be forwarded to your SIP operator using the operator’s IP address in the Replacement URI field.
56