SMS marketing software: Send bulk SMS from PC! It differs from other SMS software by sending SMS with a connected mobile phone, GSM modem or cellular terminal. 2 way SMS with no limit on number of SMS sent and received. No SMS gateway is required. No prepay, no credit purchase before start. Support GSM 7-bit and UCS2 encoding, Long SMS, Flash SMS, SMS Mail Merge, Import/Export recipient data, 5 user defined fields.