[smn]

We built the SMS & USSD connectivity for last week's launch in Kenya with Airtel [1] using http://github.com/praekelt/vumi. Happy to answer any questions about this, USSD isn't used as much and as such largely unknown outside of the majority world.

[1]: http://thenextweb.com/insider/2013/10/25/wikimedia-foundatio...

[smn]

We being Praekelt Foundation [1].

[1]: http://www.praekeltfoundation.org