Add gsm audio codec support.
Add notification incoming call.
gsm/COPYRIGHT
0 → 100644
gsm/ChangeLog
0 → 100644
gsm/INSTALL
0 → 100644
gsm/MACHINES
0 → 100644
gsm/MANIFEST
0 → 100644
gsm/Makefile
0 → 100644
gsm/README
0 → 100644
gsm/add.c
0 → 100644
gsm/code.c
0 → 100644