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Rewrite global numbers


natedev
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Regarding the "Rewrite global numbers" dropdown on the Trunk Settings, I read this in the Wiki:

"When you are using a trunk, you might have to represent the telephone number is a specific format. For example, in the NANPA area, you might want to use 10 or 11 digits to represent a national number. If you are using several trunks, you can represent the same number in different styles depending on the trunk"

 

The documentation doesn't spell out what this setting really does. Can anyone provide an example of how this setting affects users? Does it just reformat the caller ID? I've tried changing it but haven't seen any effects.

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Regarding the "Rewrite global numbers" dropdown on the Trunk Settings, I read this in the Wiki:

"When you are using a trunk, you might have to represent the telephone number is a specific format. For example, in the NANPA area, you might want to use 10 or 11 digits to represent a national number. If you are using several trunks, you can represent the same number in different styles depending on the trunk"

 

The documentation doesn't spell out what this setting really does. Can anyone provide an example of how this setting affects users? Does it just reformat the caller ID? I've tried changing it but haven't seen any effects.

 

When the domain has the area code set, the PBX convers the incoming numbers into the +xxx format. You see that when you look at the call log from the system admin level. Then when calls are leaving the PBX, it converts the numbers back into human-readable format, or "carrier-readable" format. That's it.

 

The dial plan also processes the numbers in human-readable format. No more worrying about numbers 1xxxxxxxxxx format or xxxxxxxxxx, or even +1xxxxxxxxxx (it is always xxxxxxxxxx, just like you have it on your cell phone if you are in the USA/Canada).

 

There is a big difference between the "1" area code and all other area codes. Because the "1" area code means that numbers usually have 10 digits (exceptions being x11, 011 and 555 numbers). The PBX tries to be tolerant against different ways of representing regular 10-digit numbers, e.g. starting eith "1" and having 11 digits or 7-digits for local calls.

 

For non-"1" area codes, the PBX assumes that international numbers start with 00, national numbers with 0 and local numbers 1-9. Extensions have less than 6 digits.

 

If you don't want all the magic, you can leave the country code field empty. Then the PBX treats numbers just as strings without trying to be smart.

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