Note that txteagle model is to split revenue with a mobile provider. This means the agreement between txteagle and a telco with a completely different pricing s

Note that txteagle model is to split revenue with a mobile provider. This means the agreement between txteagle and a telco with a completely different pricing scheme for SMS messages. USSD is another alternative. From http://txteagle.com/faq.html http://txteagle.com/faq.html "Unstructured Supplementary Service Data (USSD) is a common protocol common to all GSM phones that enables services such as checking an airtime balance (dialing 144#) or topping up with an airtime scratch card (141#12345678912#). Because over 95% the Kenyan and Rwandan mobile phone markets are prepaid, subscribers are extremely familiar with USSD applications and, unlike SMS, there is no fee associated with its usage. (In Kenya, this has meant that balance enquiry events occur more often than actual phone calls!) USSD is also sessions based, as opposed to SMS which is store-and-forward, which means there is very little latency with interactive USSD-based services, making it an ideal platform for menu-driven applications such as surveys. In collaboration with MTN Rwanda and Safaricom, we are developing a USSD txteagle service that is scheduled to launch in both countries during the summer of 2009. "