Other Stuff That Has Little To Do With PLA > General Discussions

Backdoor VMB #'s...

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AmishGangsta:
Way back when I owned a BlackBerry, which was the only smartphone, I noticed that when I dialed into my VMB that the number was not my own phone's number, but the local "back door" number 724-920-9990. I found that useful for checking my VM if my cell was either dead, temporarily misplaced or forgotten on a given day.

Recently, when I found myself without my phone and with a need to check VM, I dug this number up and tried logging in. While it is still associated with AT&T VM, it seems to not be related to cellular VM any longer.

Does anyone who uses AT&T and who may have used this particular method of accessing VM have any idea why this is the case? Is this the case for other carriers' "back door" VM access?

Here's a semi-comprehensive list:

http://www.cellularbackdoor.com/vm_numbers.shtml

rbcp:
Can't you just dial your own phone number to reach your voicemail? 

Back in the Blackberry days, digital and data on your phone was kind of a new thing.  I bet their way of logging into your cellular voicemail was based on the analog system, kind of based on how land line voicemail worked before everyone had cell phones.  They probably just figured out a cheaper, more efficient way of connecting you to the voicemail system, rather than dialing a phone number.  Once all the phones were switched to this magical new system that I'm completely making up based on my assumptions of how things work, they killed all the phone numbers since you weren't supposed to be using them like that in the first place.

AmishGangsta:

--- Quote from: rbcp on June 03, 2013, 03:27:06 PM ---Can't you just dial your own phone number to reach your voicemail?
--- End quote ---

Yes, but at the time I didn't want to dial my number because I didn't want the hassle of the person who had it answering, telling them not to answer, blah blah blah, when I could just call in from this old number. I figured quickly Googling the number and using it would be less of a problem.

Once I realized that I could no longer get in that way, I was more interested in why this method didn't work anymore.


--- Quote from: rbcp ---Back in the Blackberry days, digital and data on your phone was kind of a new thing.  I bet their way of logging into your cellular voicemail was based on the analog system, kind of based on how land line voicemail worked before everyone had cell phones.  They probably just figured out a cheaper, more efficient way of connecting you to the voicemail system, rather than dialing a phone number.  Once all the phones were switched to this magical new system that I'm completely making up based on my assumptions of how things work, they killed all the phone numbers since you weren't supposed to be using them like that in the first place.
--- End quote ---

You're probably right. And I am pretty awful for doing it that way, aren't I? It's possible I was setting off alarms and causing network errors every time I called in.

I should write AT&T a letter of apology.

rbcp:
Those backdoor numbers were also good for spoofing your way into another person's voicemail.  Call the backdoor number and make your number appear to be the phone number that you want voicemail access to and you're in.  Not sure if that still works anymore.  Maybe that's the reason they got rid of those numbers.

A few blogs reported on a service last year that allowed you to bypass a person's phone and go directly to their voicemail.  I just looked around Google and found it.  Here it is:

http://paysimple.com/blog/2012/01/30/how-to-leave-a-voicemail-message-without-ringing-the-phone/

You dial 267-759-3425, put in the number you want to reach and then listen to an advertisement and it connects you to the voicemail.  I've never tried it myself, so hopefully it still works.

AmishGangsta:

--- Quote from: rbcp on June 04, 2013, 09:52:49 PM ---http://paysimple.com/blog/2012/01/30/how-to-leave-a-voicemail-message-without-ringing-the-phone/

You dial 267-759-3425, put in the number you want to reach and then listen to an advertisement and it connects you to the voicemail.  I've never tried it myself, so hopefully it still works.
--- End quote ---

It doesn't work if you block your number, "because that just wouldn't be nice" and, "you can't Slydial yourself".

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