SMS Blasting

smaRtPBX SMS is a free and open source SMS management software, a web interface for SMS gateways and bulk SMS services.

Features
Multiple database engine supported (using included PHP PEAR DB)
Send SMS to single mobile phone
Send SMS broadcasted to a group of mobile phones, or SMS bulk
Support sending text, flash and unicode messages
Capable of handling large amount of SMS (a user tested 200k SMS a day)
Receive private SMS to Inbox and forward it to email (mobile2web) and user’s mobile phone
Forward single SMS from mobile to a group of mobile phones
Provides SMS to email and email to SMS by polling mailbox
SMS autoreply, for easy autoreplying formatted incoming SMS
SMS board, forward received SMS to email, export output in JSON and a few other formats
SMS command, execute server side shell script using SMS
SMS custom, forward incoming SMS to custom apps, locally or hosted on external URL
SMS poll, manage polling system using SMS, export output in graph, JSON and other formats
SMS quiz, serve quizzes on SMS
SMS subscribe, manage user subscribes to a service using SMS
SMS sync to utilize SMSSync app from smssync.ushahidi.com
Blacklist, stoplist and firewall plugin for SMS services protections
Create your own features, tools, themes and gateway modules as a plugin
Supports Gammu, Kannel, SMS Server Tools, Jasmin, Playnet, Uplink, and several SMS service providers
Supports multiple active SMSC
Supports simulation gateway for testing incoming and outgoing SMS
Route outgoing SMS by prefix
Route outgoing SMS per user
Route incoming SMS to users or URL
Webservices for sending SMS, retrieving delivery reports, checking credits and more
Long SMS support, length of text is configurable
Rate SMS by destination prefix
SMS credit system per user
Multiple SMSC activated and routable
Timezone settings
Multi-language user interface (English, French, Bahasa Indonesia, Russian and a few others)
Easily add new language for user interface
Web-based interface
Multi-domain from single playSMS installation with site branding for reseller supports