SMS Features
* Supports 7bit, 8bit and UCS2 encodings
* Multipart encoding/decoding
* Status report encoding/decoding
* Relative validity
* Alphanumeric address decoding
* Supports Python 2.x
MMS Features
* SMIL support
* Main formats supported: jpg, gif, arm, 3gp, midi, etc.
* Supports MMS 1.0-1.4 decoding/encoding
* Supports Python 2.x