CODECPRO Microsoft® GSM CODEC
ETSI/3GPP MANDATORY STANDARD CODEC

MS-GSM is a standard GSM-FR codec with a special bit packing used by Microsoft® and provided in earlier versions of Windows®.

Microsoft® GSM Codec Overview

The memory and CPU details are generic Standard specifications.

For more details and information about Microsoft® GSM optimisation, please contact us at sales@codecpro.com.

Microsoft® GSM Codec Technical Specifications

  • Bandwidth: 200-3400 Hz
  • Standardized:
  • Technology: RPE-LTP
  • Bit rate: 13 kbps
  • Delay (msec): 20
  • Frame size (msec): 20
  • Lookahead (msec): 0
  • Quality: Narrowband / PSTN
  • Complexity (MIPS): 4.5
  • ROM (bytes): 29K
  • RAM (bytes): 4K