PP Presentation
- ISDN Channels
- A- 4 kHz analog telephone channel
- B- 64 kbps digital PCM channel for voice or data
- C- 8 or 16 kbps digital channel
- D- 16 or 64 kbps digital channel for out-of-band signaling
- E- 64 kbps digital channel for internal ISDN signaling
- H- 384, 1536, or 1920 kbps digital channel