Converting UTF-8 to the 7-bit GSM Default Alphabet

As blogged about previously, the SME Toolkit has a feature which allows integration with telephone companies to send SMS messages via the SMPP protocol. Recently, we experienced the challenge of needing to communicate SMS messages to a telco utilizing the 7-bit GSM Default Alphabet. The challenge arose from the fact that, internally, the SME Toolkit […]

Character Encoding Fun with SMS Messages

While trying to send SMS messages via the SME Toolkit application using the SMPP protocol, I encountered some bizarre behavior. I would send a seemingly ordinary message via SMPP only to receive a somewhat altered message on my mobile devices. Specifically, only certain symbols were altered, and latin letters appeared normally. What is more, the […]