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Cellular Phone Forum / General / General Topics / August 2004Can a Cell Phone in the US (California) block outgoing Caller ID info?
Last night my daughter was either in receipt of a death threat or the victim of a prank call. The caller claimed to be watching our house and thus had to be using a cell phone. On her cell phone there was no caller ID info but rather 'Caller ID not available'. Over the years members of my family have had cell phones from about half a dozen companies here in California (3 currently) and none have advertised a way to block outgoing caller ID info. I've never received a cell phone call without it's number appearing on my caller ID screen. So, my question is: can a cell phone caller block outgoing info? If not, the call was a prank. If so, we won't know.... > Last night my daughter was either in receipt of a death threat or the > victim of a prank call. The caller claimed to be watching our house [quoted text clipped - 7 lines] > So, my question is: can a cell phone caller block outgoing info? If > not, the call was a prank. If so, we won't know.... SprintPCS affords the option of blocking all outgoing IDs. If I want my ID to be seen, I've got to dial #82, first. Notan > SprintPCS affords the option of blocking all outgoing IDs. As do all carriers. > If I want my ID to be seen, I've got to dial #82, first. Nope. It's *82, and *67 to block CID on a per-call basis if you don't have it perma-blocked. These dialing codes are industry-standard and are used for the same purposes on landlines.  SignatureJustThe.net Internet & New Media Services, http://JustThe.net/ Steven J. Sobol, Geek In Charge / 888.480.4NET (4638) / sjsobol@JustThe.net PGP Key available from your friendly local key server (0xE3AE35ED) Apple Valley, California Nothing scares me anymore. I have three kids. > > SprintPCS affords the option of blocking all outgoing IDs. > [quoted text clipped - 5 lines] > perma-blocked. These dialing codes are industry-standard and are used for the > same purposes on landlines. Ooops. I *meant* *82. Thanks! Notan Major Caveat. Your number gets reported regardless of what you do if you call Law Enforcement or any "800" number; and there may be other conditions that would make an attempt to block a number fail. > Major Caveat. Your number gets reported regardless of what you do if you > call Law Enforcement or any "800" number; and there may be other > conditions that would make an attempt to block a number fail. What's interesting is, here in California, a 9-1-1 call to the CHP gets you an operator that asks for the number that you're calling from. Hmmm. Notan >> Major Caveat. Your number gets reported regardless of what you do if you >> call Law Enforcement or any "800" number; and there may be other [quoted text clipped - 3 lines] >gets you an operator that asks for the number that you're calling >from. That's only because the 911 center that the call is being routed to does not have the proper equipment to tell them what the ANI says. - - - - - - - - - - - - - - - - - - - - - - - - - - >> Major Caveat. Your number gets reported regardless of what you do if you >> call Law Enforcement or any "800" number; and there may be other [quoted text clipped - 3 lines] >gets you an operator that asks for the number that you're calling >from. And why would they need or want to know that? The message behind asking seems to be that they don't want to receive anonymous tips. == Jack Hamilton jfh@acm.org == In the end, more than they wanted freedom, they wanted comfort and security. And in the end, they lost it all - freedom, comfort and security. Edward Gibbons >Major Caveat. Your number gets reported regardless of what you do if you >call Law Enforcement or any "800" number; and there may be other >conditions that would make an attempt to block a number fail. What are the other "conditions" that would make an attempt to block a number fail? Also note that CID and ANI are not the same thing. - - - - - - - - - - - - - - - - - - - - - - - - - - >Last night my daughter was either in receipt of a death threat or the >victim of a prank call. The caller claimed to be watching our house [quoted text clipped - 3 lines] >companies here in California (3 currently) and none have advertised a >way to block outgoing caller ID info. You must have lead a sheltered life! All phones whether cell phones or land line phones have the ability to block caller ID. Depending on whether it's a GSM phone or another type all calls can be blocked. ANI can not be blocked but caller ID most certainly can be blocked by keying *67 before a call or #31# on GSM systems. And make sure you know that there's a difference between a blocked call and a call where there is no information available where you'll get out of area or unavailable or no information at all. >I've never received a cell phone >call without it's number appearing on my caller ID screen. Either you do not receive many calls or you never noticed before. >So, my question is: can a cell phone caller block outgoing info? Yes. Very easily. Of course you don't have to answer any number that shows up as private or blocked (which it will if it's really blocked) by the caller and you can just let it go to voicemail. Or if you see it's blocked and don't want to answer it just reject the call so it goes to voicemail. - - - - - - - - - - - - - - - - - - - - - - - - - - Thanks all. Yep, she shouldn't answer ID blocked calls. She knows this, and she answers them anyway. >>Last night my daughter was either in receipt of a death threat or the >>victim of a prank call. The caller claimed to be watching our house [quoted text clipped - 26 lines] >goes to voicemail. >- - - - - - - - - - - - - - - - - - - - - - - - - - >So, my question is: can a cell phone caller block outgoing info? If >not, the call was a prank. If so, we won't know....… As far as I know any *62<number> call has the caller ID blocked for that call. This includes calls from land lines and cell phones. -- John S. e-mail responses to - john at kiana dot net > As far as I know any *62<number> call has the caller ID blocked for that call. > This includes calls from land lines and cell phones. Close -- *67 SignatureJustThe.net Internet & New Media Services, http://JustThe.net/ Steven J. Sobol, Geek In Charge / 888.480.4NET (4638) / sjsobol@JustThe.net PGP Key available from your friendly local key server (0xE3AE35ED) Apple Valley, California Nothing scares me anymore. I have three kids. >> As far as I know any *62<number> call has the caller ID blocked for that >call. >> This includes calls from land lines and cell phones. > >Close -- *67 oops.... Never done it. -- John S. e-mail responses to - john at kiana dot net > So, my question is: can a cell phone caller block outgoing info? If > not, the call was a prank. If so, we won't know..... It doesn't matter. You should reoprt the incident to your phone company. They *can* find out where the call came from. If the person had any sense, it was a pay phone. Otherwise, the phone can be tracked back to the owner. SignatureDonald Newcomb DRNewcomb (at) attglobal (dot) net I know in Delaware you can dial *67 before calling any phone and it blocks the caller ID. I am sure CA has the same thing. > Last night my daughter was either in receipt of a death threat or the > victim of a prank call. The caller claimed to be watching our house [quoted text clipped - 7 lines] > So, my question is: can a cell phone caller block outgoing info? If > not, the call was a prank. If so, we won't know..... |
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