Cisco Mc3810 User Guide
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- Cisco Mc3810 | User Guide - Page 1
Configuring Cisco MC3810 Series Concentrators to Use High-Performance Compression Modules This document describes feature changes introduced in Cisco IOS Release 12.0(7)XK and supported in Cisco IOS Release 12.1(2)T and later for Cisco MC3810 series concentrators that contain high-performance voice - Cisco Mc3810 | User Guide - Page 2
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 Cisco IOS Release 12.1(2)T 2 - Cisco Mc3810 | User Guide - Page 3
MC3810 chassis. Note An HCM may not be combined with a VCM in one chassis. Configuration Tasks Complete the following tasks to configure the Cisco MC3810 voice ports for operation with one or two HCMs installed: • Configuring Codec Complexity • Specifying Codecs for Network Dial Peers Cisco IOS - Cisco Mc3810 | User Guide - Page 4
Cisco MC3810 series, voice-card 0 is used as a virtual voice-card, and the setting applies to all voice ports on a Cisco MC3810. This procedure does not cover other voice-port configuration commands that may be required. To learn more, see the Cisco IOS Multiservice Applications Configuration Guide - Cisco Mc3810 | User Guide - Page 5
the Cisco IOS Multiservice Applications Configuration Guide and the Cisco IOS Multiservice Applications Command Reference for Cisco IOS Release 12.1. Step 1 Step 2 Command Router# configure terminal Router(config)# dial-peer voice tag {voip | vofr | voatm} Step 3 Router(config-dial-peer)# codec - Cisco Mc3810 | User Guide - Page 6
Configuration Tasks Configuring Cisco MC3810 Series Concentrators to Use High-Performance Compression Modules technology prefix: ip precedence = 0, UDP checksum = disabled, session-protocol = cisco dial-peer voice command for a VoFR dial peer: Router# show dial-peer 0, Cisco IOS Release 12.1(2)T 6 - Cisco Mc3810 | User Guide - Page 7
Configuring Cisco MC3810 Series Concentrators to Use High-Performance Compression Modules Command Reference Accepted Calls = 0, by an asterisk (*). All other commands used with this feature are documented in the Cisco IOS Release 12.1 command reference publications. • codec (dial-peer)* • codec - Cisco Mc3810 | User Guide - Page 8
codec (dial-peer) Configuring Cisco MC3810 Series Concentrators to Use High-Performance Compression Modules codec (dial-peer) To specify the voice codec for a network dial peer, enter the codec dial-peer configuration command. Use the no form of this command to restore the default value. codec - Cisco Mc3810 | User Guide - Page 9
Cisco 3600 series VoIP dial-peer configuration command. This command was modified for VoFR dial peers. On the Cisco MC3810 series, this command was first supported as a dial-peer destination router does not support a codec required by the originating router, the call setup fails. You can change the - Cisco Mc3810 | User Guide - Page 10
codec (dial-peer) Configuring Cisco MC3810 Series Concentrators to Use High-Performance Compression Modules Table 3 Codec g726r32 g728 g729abr8 g729ar8 g729br8 g729r8 Voice Payload-per-Frame Options and Defaults Protocol VoIP VoFR VoATM VoIP VoFR VoATM VoIP VoFR VoATM Voice Payload Options ( - Cisco Mc3810 | User Guide - Page 11
Configuring Cisco MC3810 Series Concentrators to Use High-Performance Compression Modules codec complexity codec complexity To match the DSP complexity packaging to the codec(s) to be supported, enter the codec complexity voice-card configuration command. The no form of the command restores the - Cisco Mc3810 | User Guide - Page 12
codec complexity Configuring Cisco MC3810 Series Concentrators to Use High-Performance Compression Modules Examples The following example sets the codec complexity to high on a Cisco MC3810 containing one or two HCMs: router(config)# voice-card 0 router(config-voicecard)# codec complexity high - Cisco Mc3810 | User Guide - Page 13
Configuring Cisco MC3810 Series Concentrators to Use High-Performance Compression Modules ds0-group ds0-group To specify the DS0 timeslots that make up a logical voice port on a T1 or E1 controller, and to specify the signaling type, enter the ds0-group controller configuration command. Use the no - Cisco Mc3810 | User Guide - Page 14
Configuring Cisco MC3810 Series Concentrators to Use High-Performance Compression Modules The following options are available only on E1 controllers on the Cisco MC3810 series: • e&m-melcas-immed-E&M Mercury Exchange Limited Channel Associated Signaling (MELCAS) immediate start signaling support - Cisco Mc3810 | User Guide - Page 15
Configuring Cisco MC3810 Series Concentrators to Use High-Performance Compression Modules ds0-group Examples The following example configures DS0 groups 0 and 1 with different CAS signaling on controller T1 0: router(config)# controller T1 0 router(config-controller)# mode cas router(config- - Cisco Mc3810 | User Guide - Page 16
Cisco MC3810 concentrator: router(config)# voice-card 0 router(config-voicecard)# Related Commands Command codec complexity Description Matches the DSP complexity packaging to the codec(s) to be supported. Codec complexity changes are made in the voice-card configuration mode. Cisco IOS Release
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1
Cisco IOS Release 12.1(2)T
Configuring Cisco MC3810 Series Concentrators
to Use High-Performance Compression Modules
This document describes feature changes introduced in Cisco IOS Release 12.0(7)XK and supported in
Cisco IOS Release 12.1(2)T and later for Cisco MC3810 series concentrators that contain
high-performance voice compression modules (HCMs).
This document includes the following sections:
•
“Feature Overview” on page 1
•
“Supported Platforms” on page 2
•
“Supported Standards, MIBs, and RFCs” on page 3
•
“Prerequisites” on page 3
•
“Configuration Tasks” on page 3
•
“Command Reference” on page 7
Feature Overview
High-performance voice compression modules (HCMs) provide voice compression according to the
voice compression coding algorithm (codec) specified when the Cisco MC3810 is configured. Table 1
shows the number of voice channels each type of compression module can support.
Table 1
Voice Compression Module Application Information
Type
Codec Packaging Complexity (see Table 2)
Voice Channels
per HCM
HCM2
High complexity (
codec complexity
set to
high
)
4
Medium complexity (
codec complexity
set to
medium
)
8
HCM6
High complexity (
codec complexity
set to
high
)
12
Medium complexity (
codec complexity
set to
medium
)
24