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*67 doesn't block CID


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Some residential customer don't want their number be published when placing calls. If left blank pbxnsip in puts the account number which is the customers 10 digit tn in our case. We want to pass Not Available to the PSTN as some carriers require this in the ANI and cannot be blank.


Any suggestions would be great, thanks.

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the invite was correct however the ANI still shows the extension/account number. Many carriers will read the use it for the CID as that's what an ANI is. Some will not even complete the call if left blank, they want Not Available in the ANI to represent Private Number.


I'll be happy to email someone a cdr showing this.

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