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5-4
Cisco Catalyst 4000 Access Gateway Module Installation and Configuration Note
OL-3008-01
Chapter 5 Configuring the Voice Interfaces
MGCP Configuration
• Configuring FXS and FXO Analog Ports, page 5-6
• Configuring T1-CAS E&M Emulation, page 5-7
• T1/E1 Configuration (H.323), page 5-22
• Where to Go Next, page 5-12
For more information on using MGCP with Cisco CallManager 3.0, refer to the Cisco CallManager 3.0
online help and to Configuring Cisco IP Telephony Gateways, available online at Cisco.com.
Enabling MGCP
To configure the AGM so that it can be controlled by Cisco CallManager Release 3.0 using MGCP, you
must identify the primary and any backup Cisco CallManager servers that you want to use in case the
primary server becomes unavailable. You must also configure each voice gateway as an MGCP gateway
in Cisco CallManager, as described in the Cisco CallManager Administration Guide. Finally, you must
configure the voice ports installed on your gateway. The following sections describe these procedures.
To enable generic MGCP support on a Cisco voice gateway, enter the following commands from the
global configuration mode prompt:
Gateway(config)#mgcp
Gateway(config)#mgcp call-agent hostname
where hostname identifies the Cisco CallManager server (or possibly a generic MGCP call agent).
To enable support for Cisco CallManager within MGCP, enter the following command:
Gateway(config)#ccm-manager MGCP
Cisco CallManager controls dial-plan-related configuration elements, and they should not be configured
in the Cisco voice gateway for MGCP-managed endpoints (those with application MGCPAPP in the
dial-peer statement). You should not configure any of the following elements when using MGCP:
• Destination pattern
• Session target
• Expansion numbers
• Connection PLAR/tie-line/trunk (voice port)
• codec
Note H.323 and MGCP configurations will coexist when you enable MGCP gateway fallback.
Enabling Switchover and Switchback
To identify up to two backup Cisco CallManager servers, enter the following command:
Gateway(config)#ccm-manager redundant-host hostname1 hostname2
where hostname1 identifies the first backup Cisco CallManager server using the DNS host name or
dotted decimal format, and hostname2
identifies the second backup Cisco CallManager server.
If you configure one or two backup Cisco CallManager servers, you can control how the gateway
behaves if the primary server becomes unavailable at some point and then later becomes available again:
this is called switchback.
- Cisco Catalyst 4000 1
- Access Gateway Module 1
- CONTENTS 3
- Contents 4
- Audience 9
- Organization 9
- Conventions 10
- Safety Overview 11
- Related Documentation 12
- Obtaining Documentation 13
- Documentation Feedback 14
- Cisco.com 14
- Technical Assistance Center 15
- Overview 17
- IP Telephony Campus 18
- Large Branch Office 18
- • the console port on the AGM 19
- Hardware Features 20
- Cisco Catalyst 4000 DSP Set 21
- Data Interface Modules 21
- Voice Interface Modules 22
- Signaling Support on AGM 23
- Switch-Type Support on AGM 23
- Software Features 24
- Security 25
- Resiliency 25
- Network Management Support 26
- Preparing to Install the AGM 27
- Installing the AGM 29
- Hot-Swapping Features 31
- Checking the AGM Operation 32
- Power Supply 1 34
- Power Supply 2 34
- WAN Interface Modules 35
- SEE MANUAL 36
- INSTALLATION 36
- Straight-through 41
- RJ-11-to-RJ-11 cable 41
- RJ-11 ports 41
- RJ-11 wall jack 41
- RJ-21 Connectors 42
- Velcro strap 43
- ConfigurableNot used 45
- RJ-48S ports 47
- RJ-48S wall jack 47
- RJ-48C ports 48
- NT1 device 48
- RJ-45-to-RJ-45 cable 48
- S/T port 48
- RJ-48C-to-RJ-48C cable 50
- RJ-48C wall jack 50
- Booting the AGM 53
- Accessing the AGM 54
- Configuring the Console Port 55
- Connecting a Terminal 56
- Connecting a Modem 56
- Using the Cisco IOS CLI 57
- Getting Help 58
- Command Modes 58
- Gateway(config-if)# 59
- (config 59
- Gateway(config-dial-peer)# 59
- Saving Configuration Changes 60
- Table 4-2 ISDN Switch Types 68
- Configuring T1 Interfaces 69
- Configuring E1 Interfaces 71
- Preparing to Configure VoIP 75
- Configuring Voice Interfaces 76
- MGCP Configuration 77
- Enabling MGCP 78
- • E&M Wink Start 81
- • E&M Delay Start 81
- H.323 Gateway Configuration 86
- FXS Emulation Example 90
- FXO Emulation Example 90
- E&M Emulation Example 91
- Configuring ISDN BRI Lines 92
- Gateway 1 Configuration 95
- T1/E1 Configuration (H.323) 96
- T1/PRI Configuration Example 97
- E1/PRI Configuration Example 98
- Configuration for AGM AGLB-1 99
- Configuration for AGM AGLB-2 100
- FXO Connection to PSTN 101
- San Jose Salt Lake City 102
- AGM SLC Configuration 103
- OL-3008-01 104
- Configuring FXS Voice Ports 106
- Validating the Configuration 107
- Fine-Tuning FXS Voice Ports 108
- Activating the Voice Port 110
- Sample Configuration 110
- Verifying the Configuration 120
- Sample Configurations 121
- Configuration File for Peer 1 124
- Configuration File for Peer 2 126
- Configuring the DSP Farm 129
- IP Telephony Gateway Mode 130
- Conferencing Service 131
- Transcoding Service 132
- Troubleshooting the AGM 137
- Troubleshooting Controller 138
- Troubleshooting Hardware 141
- Troubleshooting TDM 141
- Troubleshooting DSP 142
- SIMM 3 DSP 12–17 143
- SIMM 4 DSP 18–23 143
- Entering ROM Monitor Mode 145
- Configuring for Autoboot 146
- ROM Monitor Commands 147
- Debugging Commands 150
- Cookie Commands 151
- Upgrading the ROM Monitor 157
- Using Loss Plan Defaults 159
- Transmission Loss Plan 160
- Console Connector Pinouts 161
- Management Port Pinouts 161
- Identifying a Rollover Cable 163
- Connecting to a PC 164
- Connecting to a Terminal 164
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