HP MSR2000/3000/4000 Router Series Layer 2 - WAN Configuration Guide

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Managing a modem ·················································································································································· 75
Modem management configuration task list ··············································································································· 75
Configuring modem access services on a user line ··································································································· 75
Setting the answer timeout timer ··································································································································· 76
Setting the modem answer mode ································································································································· 77
Enabling a modem to obtain caller numbers ·············································································································· 77
Enabling modem callback ············································································································································· 78
Issuing an AT command to a modem ·························································································································· 78
Setting the country code of a modem ·························································································································· 79
Modem management configuration example ············································································································· 79
Network requirements ··········································································································································· 79
Configuration procedure ······································································································································ 79
Troubleshooting modem faults ······································································································································ 80
Configuring a 3G modem ········································································································································· 81
Configuration restrictions and guidelines ···················································································································· 81
Configuration task list ···················································································································································· 81
Configuring a cellular interface ···································································································································· 82
Configuring a 3G network ············································································································································ 82
Creating a parameter template ···································································································································· 83
Configuring PIN authentication ···································································································································· 83
Configuring DM ····························································································································································· 84
Issuing a configuration directive to a 3G modem ······································································································ 84
Configuring automatic reboot ······································································································································· 85
Configuring manual reboot ··········································································································································· 85
Displaying and maintaining the 3G modem ··············································································································· 85
3G modem configuration example ······························································································································ 86
Network requirements ··········································································································································· 86
Configuration procedure ······································································································································ 86
Troubleshooting ······························································································································································ 87
Symptom ································································································································································· 87
Solution ··································································································································································· 87
Configuring DDR ························································································································································ 88
Overview ········································································································································································· 88
Approaches to DDR··············································································································································· 88
DDR features ·························································································································································· 90
DDR configuration task list ············································································································································ 91
Configuring basic settings for DDR ······························································································································ 91
Setting the operating mode for physical interfaces ··························································································· 92
Configuring link layer/network/routing protocols on the dialup interface ····················································· 92
Configuring a dial access rule ····························································································································· 92
Configuring C-DDR ························································································································································ 93
Configuring an interface to place calls to one or more remote ends ······························································ 94
Configuring an interface to receive calls from one or more remote ends ······················································· 95
Configuring multiple interfaces to place calls to one or more remote ends ···················································· 97
Configuring multiple interfaces to receive calls from one or more remote ends ············································ 98
Configuring B-DDR ······················································································································································· 100
Configuring the sending end for B-DDR ············································································································ 101
Configuring the receiving end for B-DDR ·········································································································· 101
Configuring MP for DDR ············································································································································· 102
Implementing DDR with MP ································································································································ 102
Configuration procedure ···································································································································· 103
Configuring ISDN caller identification callback ······································································································· 104
ISDN caller identification callback features ····································································································· 104