Modem Standards: Error Correction and Compression
ITU-T
- V.42: Error detection and correction
- V.42 bis: Compression (up to 4:1)
- Most newer modems have both
MNP Level 5
- Proprietary standard of Microcom
- Once widely used
- Provides both error correction and compression
- Now largely superceded by V.42 and V.42 bis