- DS2168Q
- Dallas Semiconductor
- ADPCM Voice Compression, Dual Channel ADPCM Processor
- DS2168
- Dallas Semiconductor
- ADPCM Voice Compression, Dual Channel ADPCM Processor
- DS2168Q
- Dallas Semiconductor
- ADPCM Voice Compression, Dual Channel ADPCM Processor
- DS2168Q
- Maxim Integrated Products, Inc.
- A/MU-LAW, ADPCM CODEC, PQCC28