Motorola E1 Service Manual page 10

Specifications
Speech Coding Function
Frame Duration
Block Length
Classes
Bit Rate with FEC Encoding
10
Specification
20 ms
260 bits
Class 1 bits = 182 bits; Class 2 bits = 78 bits
22.8 kbps
July 08, 2005
E1 GSM
6809495A42-O