Configuring Cisco MC3810 Series Concentrators to Use High-Performance Compression Modules
Supported Platforms
2
Cisco IOS Release 12.1(2)T
Benefits
HCMs support more voice channels than the earlier voice compression modules (VCMs) used in the
Cisco MC3810 series.
Restrictions
The following restrictions apply to HCMs:
•
HCMs should not be combined with VCMs in a Cisco MC3810 chassis.
•
HCMs require Cisco IOS Release 12.0(7)XK or 12.1(2)T or later.
Related Features and Technologies
Voice over Internet Protocol (VoIP)
Voice over Frame Relay (VoFR)
Voice over Asynchronous Transfer Mode (VoATM)
Related Documents
•
Cisco IOS Multiservice Applications Configuration Guide
, Cisco IOS Release 12.1
•
Cisco IOS Multiservice Applications Command Reference
, Cisco IOS Release 12.1
Supported Platforms
•
Cisco MC3810 series
Table 2
Codec Packaging Information
Codec Packaging
Codecs
High complexity
G.711ulaw, G.711alaw
G.723.1(r5.3), G.723.1 Annex A(r5.3), G.723.1(r6.3), G.723.1 Annex A(r6.3)
G.726(r16), G.726(r24), G.726(r32)
G.728
G.729, G.729 Annex B
fax relay
Medium complexity
G.711ulaw, G.711alaw
G.726(r16), G.726(r24), G.726(r32)
G.729 Annex A, G.729 Annex B with Annex A
fax relay
