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Old 02-02-2006, 07:59 PM   #1 (permalink)
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Does anyone know exactly what dialing @22899 does?

I know you need to do it after you upgrade to the 4.0.2, but I don't know exactly what it does.

I live in Birmingham, AL. The other day I was in Fort Smith, AR and as soon as I got off the airplane, I got a DCR error. I turned the BB off and back on and the error came back. I called Verizon Data Technical Support and the gentleman told me to dial *22899. I told him I did that after upgrading the operating system. He said anytime I went to a different area I should do it because it updates the database on the location of the cell towers. I dialed it and got a message from AllTel. Since I have a Verizon BB, I disconnected. Because of the wrong answers I have gotten from Verizon technical support before, I really don't believe that *22899 updates the database on the location of the cell towers.

So can someone tell me exactly what *22899 does?
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Old 02-02-2006, 08:09 PM   #2 (permalink)
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Alltell and Verizon have roaming agreements I believe, at the very least they share towers.
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Old 02-02-2006, 08:14 PM   #3 (permalink)
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Quote:
Originally Posted by johndyoung
So can someone tell me exactly what *22899 does?
This initiates an OTA (over the air) installation of the latest PRL (Preferred Routing List) which determines the order in which your device searches for carrier signals.
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Old 02-02-2006, 08:22 PM   #4 (permalink)
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So does that mean the guy from Tech support was right, I should dial that whenever I go to a new area? I travel all the time and my BB has been working great until I hit Fayetteville, AR the other day.
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Old 02-03-2006, 10:36 AM   #5 (permalink)
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My understanding was that *22899 should be called every month or so to make sure the PRL is up to date.
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Old 02-03-2006, 01:10 PM   #6 (permalink)
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Quote:
Originally Posted by dkmadrid
My understanding was that *22899 should be called every month or so to make sure the PRL is up to date.
That would make some sense. Inter-carrier roaming agreements and cell-tower distributions change with time and it would make sense to try to stay up to date with those changes.

I've been trying to find an equivalent procedure for Bell Mobility's network. So far everyone that I've spoken to in tech support is unaware of any method of updating Bell's PRL OTA. If anyone has experience to the contrary please let me know.
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Old 02-03-2006, 01:17 PM   #7 (permalink)
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Is this only for Verizon or for all carriers?
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Old 02-03-2006, 01:42 PM   #8 (permalink)
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Verizon and Sprint are the only ones I know who have the PRL They are both CDMA so it is probably a CDMA thing. On Sprint devices, you dial *22 to get the latest PRL, I believe.
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Old 02-03-2006, 11:08 PM   #9 (permalink)
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I think, although I could be wrong, that it also allows tech support to view certain information while it is connected to *22899, allowing them to help you with certain problems if you're on the line with them.
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Old 02-04-2006, 04:30 AM   #10 (permalink)
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Quote:
Originally Posted by markhutchison
This initiates an OTA (over the air) installation of the latest PRL (Preferred Routing List) which determines the order in which your device searches for carrier signals.
That is exactly what it does. I think tech support can only see when it was last updated. I have also heard that you should update your prl when you travel. Might as well do it to help avoid that dreaded DCR.
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Old 02-04-2006, 10:54 AM   #11 (permalink)
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Alltel also needs the PRL to be updated. You may find that you need to be in your home area before you do this (that way the correct PRL is loaded).
The Alltel Blackberry support said that the Blackberry devices do not need to do this, but that has not been my experience.
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