Hi John

On_Comm event returns the port com's status. To get the properly status of a modem you must know the HAYES's standard of modem comunications. If your modem's manual does not have that kind of information you must order them to your modem's manufactor.

CLAUDIO

>Hi,
> Does MSComm return any value in On_Comm event if any value returned by modem? I found that if modem return value such as "NO CARRIER" during tramission, on_comm event will not fired. How could I detect these such changes?
>
>Thank you