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support for IPv4/IPv6
header compression profiles for:
  1. RTP/UDP/IP header
  2. UDP/IP header
  3. ESP/IP header
uncompressed profile
fully featured list compression for CSRC and generic header lists
all ROHC modes for compression and decompression:
  1. unidirectional mode
  2. bi-directional optimistic mode
  3. bi-directional reliable mode
handshake schemes for toggling modes
packet generation and parsing of all packet types
CRC calculation and verification
window-based least significant bits (W-LSB) coding and decoding
self-describing variable length values
RTP timestamp compression
timer based RTP timestamp compression
detection of IP-ID characteristic
repair mechanisms
segmentation


ROHC support for PPP according to RFC3241
ROHC support for Link-Layer Assisted Profile RFC 3242
ROHC short info

Robust header compression increases the amount of resources available to their customers resulting in an improved "return of investment"

Robust header compression uses a connection oriented approach to remove packet inter- and intra-dependencies and reduces header-payload significantly

Information Brochure

Download Slides
from the presentation at the "1. Berliner UMTS-Tag" (July 2nd, 2002).

A small and clean implementation guarantees optimized performance even on low-end systems with strict memory and processing requirements