Hello Lasher,
I have the iPAQ 2210 with a Socket DPC that connects to my Kyocera 2235. If you are using a Socket card as I am, they reported that they do not have drivers at this time for Windows Mobile 2003, but plan for them in the next month or so. My does work so I will tell you what I have my settings on in case it helps you or anyone else.
Phone:
(I called Verizon to make sure that I had access to the Express Network)
I set the com port speed (SETTINGS > ACCESSORIES > COM PORT SPEED) to 115.2 which is the only speed that seems to work.
I connect the cable from my CF slot to the phone.
PDA:
I set up a new connection by tapping on the "connection" icon next the volume icon at the top of the screen. I hit SETTINGS > ADD A NEW MODEM CONNECTION. Name the connection what you wish, then I selected my Modem SOCKET and hit next. I enter the express phone number which is #777. My user name is my cell phone number with area code, but without the first 1 followed my vzw3g.com (ie.
[email protected]) Your password is simply: vzw. I also hit the ADVANCED button and changed the baud rate to 115200. Click finish.
To start a connection simply tape the connection icon again and click on the link that should connect you.
I hope this helps.