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Supported Platforms
Table 2
Codec Packaging
High complexity
Medium complexity
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:
•
•
Related Features and Technologies
Voice over Internet Protocol (VoIP)
Voice over Frame Relay (VoFR)
Voice over Asynchronous Transfer Mode (VoATM)
Related Documents
•
•
Supported Platforms
•
Cisco IOS Release 12.1(2)T
2
Configuring Cisco MC3810 Series Concentrators to Use High-Performance Compression Modules
Codec Packaging Information
Codecs
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
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
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.
Cisco IOS Multiservice Applications Configuration Guide, Cisco IOS Release 12.1
Cisco IOS Multiservice Applications Command Reference, Cisco IOS Release 12.1
Cisco MC3810 series
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