Text messages with your own Sender ID Every user of our system are able to control services through our unique Control Panel (orders, inbound and outbound messages, contacts, keywords management, sender ID control, API, PHP script generator with API examples, Bulk SMS). -$from string has been unlocked, so you will be able to send sender ID in every request without any preregistration and absolutely free. In otherwords it is dynamic sender ID. - API for SMS sending 2-WaySMS Final cost of SMS depends on volume and destination, you can check whole price-list here: http://www.2-waysms.com Bulk SMS software for PC with sms gateway connection http://sourceforge.net/projects/bulksmssoftware