SMSgee is a useful SMS gateway server solution using mobile phone or modem.

Very simple & powerful SMS marketing tools. Send/receive up to 10 thousand SMS / 24hours using only GSM phone/modem connected to PC. No internet connection or token required.

Here are some key features of "PC SMS Bulk Sender":

High Compatibility:
· Support wide range GSM mobile phone or modem (from 'traditional' to 'smart phone' ) . The trial version let's you try the connectivity with your GSM devices.
Massive Amount:
· Capable to receive/send up to 10 thousand SMS per day.
· Great way to send large number SMS, for example if you want to send large number of SMS for SMS voting purpose, like American Idol TV show.
Automated:
· Load the destination number list and send to many number with only a single click.
· This could be very useful if you want to send large number SMS to many people, like invitation or promotion.
Wire or Wireless Connection:
· Support wire connection (serial port or USB cable) and wireless connection (Bluetooth or Infrared )

Requirements:

· Pentium III 500 MHz
· 128 MB RAM or better
· GSM Mobile Phone/Modem connect

Limitations:

· Signature on SMS-message