RIL_SendStoredMsg not working..

Tech-Archive recommends: Fix windows errors by optimizing your registry

Hi all,
Im working on Microsoft provided RIL driver for WinCE 6.0, Device
Emulator BSP. Im using siemens MC35i modem.
im analyzing the ril driver and writing an app which explores the ril
api's exposed by the ril proxy in ril.h(microsoft provided).
i'v been able to get correct responses for dial,answer, hangup, send/
write/read/delete msg using the ril driver. i cross check the
responses by using the hyperterminal instead of the driver.

But with RIL_SendStoredMsg(fwding a msg), i'm getting an error(i.e
4).
With the hyperterminal, the send stored msg(+cmss) works only if u
give the index as well as the number to which it is to be fwd'ed.
ex: at+cmss=12,"9986716256"
but the driver is written to send only the index with the cmd.like,
at+cmss=12.
I'v changed this also..Even then it gives the error 4

if any of u guys have worked on the ril driver, plz get back to me. I
dnt even find help on net related to RIL :(

Regards
Ramya
.