11-04-2013 8:49 AM
I recently upgraded to a Note 3 (going from an ancient Atrix 2). On new phone and new LTE data plan, a good percentage of my incoming calls show as Unknown. It does not display the phone number that is calling me. Interestingly enough, these same numbers that dial other AT&T phones display their caller ID on those phones (they also displayed properly on my old AT&T Atrix 2). Other numbers do display properly on the phone so the behavior is intermittent although it is always the same, depending on the specific number that calls me.
I've spent considerable time on chat and phone support, opened an AT&T case, wasted my time factory resetting the device, put the SIM into a different device (the issue followed the SIM), replaced the SIM card at a corporate AT&T store, etc.
Today, when I called in to verify that the issue has not been corrected, I was advised that this is now a wide-spread issue that a 3rd-party contractor is working with AT&T to correct.
Can anyone confirm that? I can reproduce the issue as needed. I tend to think that this is a back-end systems issue.
11-05-2013 8:45 AM
Thanks for your post. I'm sorry to hear you're having issues with the Caller ID on your phone. If you don't mind, please send us a private message by clicking here so we can track the issue.
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03-05-2014 10:31 AM
Has there been any resolution of this issue? I am experiencing the same issue only on calls redirected from my office's MS Lync server. We believe it's an RFC 3966 issue. Coworkers on Verizon get the phone number displayed with a + in from of it, e.g. +1406444xxxx. My incoming caller ID works for normal calls from other cell carriers or land lines. It is only these calls being redirected from the MS Lync system containing the leading +. I have also seen this issued reported in this forum regarding international calls with no posted resolution. This is from the RFC:
5.1.4. Global Numbers
Globally unique numbers are identified by the leading "+" character.
Global numbers MUST be composed with the country (CC) and national
(NSN) numbers as specified in E.123 [E.123] and E.164 [E.164].
Globally unique numbers are unambiguous everywhere in the world and
SHOULD be used.
Any suggestions? Thanks.
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