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PIN to PIN messaging


I understand to help troubleshoot Blackberry message flow delays, trying PIN to PIN messaging is a good troubleshooting step to see if this method is also slow.

But can someone tell me what this actually shows? If normal email delivery is slow but PIN to PIN messaging is fine, does this say the problem is with the carrier, BES or Exchange? So, I guess I'm asking, which step/provider does PIN to PIN messaging leave out?
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2 Solutions
Mike SullivanDirectorCommented:
Hi Bruce,

PIN to PIN messages show that two handsets have good network signal and have the correct tariff on the network allowing them to be identified on the BlackBerry network. Beyond that, they don't show anything.

PIN to PIN messages bypass the BES server and the user mailboxes. If PIN messages are getting through but emails aren't, look internally for your problem. If PIN to PIN messages are failing, contact your network providing to have the tariff and provisioning checked.
Sudhakar KumarService ArchitectCommented:
Thats exactly right.

PIN-PIN message works at RIM or Carrier level. So it gives you an overview that there is no issues with Carrier specific.

Where as a Normal Mail Flow has several Other Pieces.

In general it is like this-

Device<-->Carrier<-->RIM<-->BES Server<-->Mail Server

Since PIN-PIN is fine ...you need not worry about


So it can be between

RIM<-->BES Server<-->Mail Server

There might be an issue between RIM and BES Server <You need to verify the Blackberry Router and Dispatcher Services-although there is a very little chance they might have problem>

Most of the time it is BES Server or Mail Server. You need to verify your BES server and mail Server and for good reasons you can verify the MAGT logs on the BES server.

Try sending a test email from any external email address like yahoo,gmail and watch for each event on Blackberry Manager for the user account and the MAGT logs.

Also I have seen these kind of issues prior to 4.6 so if you are still running the previous versions, I will recommend to get it upgraded.

Also this may be a good help to you-
Mike SullivanDirectorCommented:
Did you get anywhere with this, Bruce?

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