How do I find whether modem is online or not?

1. How the coding is done in VB using MSComm Control to find out whether my
Modem is Online OR Offline?

2. How the coding is done in VB using MSComm Control to find out whether the
'Dialtone' is there or not in the Modem?

Thanks in advance
my email id: blaisons@hotmail.com

There's plenty of code about mscomm at http://www.planet-source-code.com/vb. Something in here should answer your question. Go to the site and search on mscomm.

Phillip