Had troubles connecting to SSH servers using my Blackberry Pearl … Until I found the following;
While all Rove products are able to connect through the BlackBerry Internet Service, Research in Motion blocks all ports from 1-1024 except for ports 80 and 443 so the default ports for SSH and Telnet are blocked.
I followed Jonesy’s guide [...]

Method one in the below article resolved this issue for me. Seems to happen on DELL’s a fair bit.

If you want a fast and easy way to list all the Blackberry users in your farm, with relevant information, run the below SQL query against the BESMgmt database on your Blackberry SQL database.
It will return the following information:
Users Display name
BES Server they are on
Exchange server their mailbox is on
PIN of their BES
IT Policy they [...]