libcmtspeechdata-dev 2.1.1+git20160721~8efc468-2 (ppc64el binary) in ubuntu zesty

 libcmtspeechdata is the userspace side for Nokia's CMT Speech Data SSI
 protocol. The library provides an application interface for implementing the
 speech data path for cellular voice calls. IT does not contain any
 functionality for setting up and managing the call signaling path.
 .
 The library will access the hardware using /dev/cmt_speech.
 .
 This package contains the shared library's development files.