[VoiceOps] Terminating 800 traffic with Caller ID of an 800 #

Darren Schreiber d at d-man.org
Wed Feb 15 18:29:36 EST 2012

Hi folks,
We have a customer who is insisting on setting their outbound Caller ID to an 800 #. They are complaining that they can't call other 800 #s. Our testing reveals that many carriers are refusing to route the call when the Caller ID is set as an 800 #.

In addition, if we try setting the ANI as one number via the From: header and then add a remote party ID header as Caller ID, it seems that most carriers use the From: and deliver that as the Caller ID to the alternate/receiving 800 #.

Any thoughts on this? I am aware that it's up to the receiving 800 # to decide what NPAs to allow through and that what they're proposing complicates billing, so I suspect I just need to tell the client to deal, but they are insisting that this used to work on their PRI. My theory is that it did not work on their PRI but nobody ever noticed before.

- Darren

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