Thanks Steve

We replaced an old Siemens that used to produce the outgoing numbers correctly, so we must have the 3rd option. The extensions are all set up to be in that range to provide DID. When the SIP extensions dial out will they provide the extension number which gets prefixed with what? Do I need to send the complete number, 3 digit area code + 4 digit extension to the Telko? Does the zapata.conf add the prefix? How can I check what callerid number is being passed to the Telko?

Garth



Steve Underwood wrote:
Garth van Sittert wrote:

Hi All

I am having a problem setting the outbound callerid number on a PRI E1 in South Africa. The outbound number keeps on appearing as the main PRI number. How does it work between Asterisk and the Telko? More importantly how do I get it working?

Kind Regards
Garth

Telcos usually arrange outgoing CLI in one of 3 ways:

- a free for all - you can put what you like as your CLI, and no checks are made

- a rigid arrangement - no matter what you give as the CLI, the telco will replace it with a fixed value before passing the message on

- a constrained arrangement - if you give a CLI within the range that is valid for you, it will be passed on. If you give something which is not allocated to you, the telco wil replace it with a fixed value.

Sounds like you do not have the first arrangement. You might have the third, though. It could be you just aren't specifying your number correctly - either the digits themselves or the TON/NPI pair might not be right.

Steve

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Garth van Sittert
BSc (Physics & Computer Science)
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