SMS-it allows you to send SMS to a mobile phone from your computer. It sends through a modem, the internet (free SMS) or an attached mobile phone. SMS-it can integrate with MS Outlook and synchronize the inbox to store the messages.
Integrated Notification System (IVR) 220.127.116.11
Configurable IVR application to send/receive messages to/from phones, e-mails, mobile phones (SMS), and faxes.
Put a free download button on your own website
Support WhoCalls Caller ID detection, just copy+paste this html: