dll for pda

dear forum

im using the vb.net for develop a program in my pocket pc. I need to place a call and send sms. I saw in documentation, there is library already prepared for this. Nnme is microsoft.windowmobile.telefony.dll and other. Where i find ?
In my computer is not

Hi,
if you are using VS2005 take a look here which should help - provided you are targeting Windows Mobile 5 or above, and have a 'phone edition' PDA

Pete