Specified for
connections that require a certain amount of bandwidth, characterized
by a Peak
Cell Rate (PCR) value that is continuously available during the entire
connection lifetime. The source may emit cells at or below the PCR at any time and for any
duration (or may be silent).
Typical applications:
- Voice (standard 64 kbit/s
PCM)
- Circuit Emulation
Services (CES)
This category is mainly intended for (but not
restricted to) real-time (RT) services.