Audio stream Raw GSM (6.10 audio stream)
GSM is an audio file format used by cell phones. GSM files are ideal for recording telephone-quality audio, such as telephone conversations. GSM files are often used by cell phones in Europe. GSM stands for Global System for Mobile. WAV files can also be encoded with the .GSM codec.
MIME: application/gsm, audio/gsm, audio/x-gsm, application/x-gsm
Learn more about .GSM files:
Read about how a GSM encryption crack may force operators to upgrade.
Search for .GSM-related questions on IT Knowledge Exchange.