Yes they all have Blackberries.
Sorry - I don't have time this morning for an in depth answer but you may want to post to a Blackberry forum to see what they recommend. I have seen this question asked here several times but I believe the answers all point to blackberry.

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Milly Staples [MVP - Outlook]
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After furious head scratching, Ingrid asked:
| Yes they all have Blackberries.
|
[quoted text clipped - 15 lines]
||| meeting. All are using Win XP Pro and Outlook 2003 SP2. Any help,
||| greatly appreciated.
Ingrid - 04 Mar 2008 16:07 GMT
Thank you very much, I greatly appreciate your help.
> Sorry - I don't have time this morning for an in depth answer but you may want to post to a Blackberry forum to see what they recommend. I have seen this question asked here several times but I believe the answers all point to blackberry.
>
[quoted text clipped - 17 lines]
> ||| meeting. All are using Win XP Pro and Outlook 2003 SP2. Any help,
> ||| greatly appreciated.