Tag : plus sign

Correct Format of US numbers

Posted February 24, 2012 by Pavel Espinal & filed under Asterisk Tips, General Comments: 0.

Tags: call, callerid format, clid, FORMAT, international call, international dialing code, linkedin, plus sign, PSTN, sign, voip service providers

If you were wondering about the correct format of US numbers then this might come in handy. In short: The proper way to send CallerID number is 10 digit (from NANPA numbers), no preceding 1 or plus sign (+) as this is handled by the provider to the ..

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