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Configuring the Voice Interface

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Configuring the Voice Interface Chapter 4 Configuring Voice over IP • Implement a dial plan, including the following tasks: - Complete your company's dial plan. That is, decide what patterns of dialed numbers will access what telephony endpoints. - Establish a working telephony network based on your company's dial plan. - Integrate your dial plan and telephony network into your existing IP network topology. Note To support FXO signaling, you must install a VIC2-4FXO interface card. For information on connecting voice interface cards (VICs), see "Connecting Voice Network Modules" at the following URL: http://www.cisco.com/univercd/cc/td/doc/product/access/acs_mod/cis2600/hw_inst/nm_inst/ nm-doc/conntvoi.htm Configuring the Voice Interface Whenever you install a new interface or want to change the configuration of an existing interface, you must configure the interface. If you replace a module that was already configured, the Cisco IAD recognizes it and brings up the interface in the existing configuration. Note The Cisco IAD2435 router is a fixed-configuration router and does not support interface cards. Before you configure an interface, have the following information available: • Protocols you plan to route on the new interface • IP addresses, subnet masks, network numbers, zones, or other information related to the routing protocol Timesaver Obtain this information from your system administrator or network plan before you begin configuring your Cisco IAD. To configure a voice interface, you must use configuration mode (manual configuration). In this mode, you can enter Cisco IOS commands through the command-line interface (CLI). Before you begin, disconnect all WAN cables from the Cisco IAD to prevent it from running the AutoInstall process. The Cisco IAD tries to run AutoInstall whenever you power it on if there is a WAN connection on both ends and the Cisco IAD does not have a valid configuration file stored in NVRAM (for instance, when you add a new interface). It can take several minutes for the Cisco IAD to determine that AutoInstall is not connected to a remote TCP/IP host. To configure the voice interface configuration mode, follow these steps: Step 1 Step 2 Connect a console to the Cisco IAD. If you need instructions for connecting a console, see the installation chapter of your Cisco IAD installation and configuration guide. Power on the Cisco IAD. If the current configuration is no longer valid, after about one minute you see the following prompt: Would you like to enter the initial dialog? [yes/no]: Cisco IAD2430 Series Integrated Access Devices Software Configuration Guide 4-2 OL-4306-03

Section	Page
Cisco IAD2430 Series Integrated Access Devices Software Configuration Guide	1
Contents	3
Preface	7
Understanding Interface Numbering and Cisco IOS Software Basics	11
Identifying Cisco IAD2430 Models	11
Cisco IAD2430-24FXS IAD	11
Cisco IAD2431-8FXS IAD	12
Cisco IAD2431-16FXS IAD	13
Cisco IAD2431-1T1E1 IAD	13
Cisco IAD2432-24FXS IAD	14
Cisco IAD2435-8FXS IAD	14
Port Numbering Conventions	15
Understanding Cisco IOS Software Basics	15
Getting Help	16
Command Modes	17
Undoing a Command or Feature	18
Saving Configuration Changes	18
Upgrading to a New Cisco IOS Release	18
Cisco IAD2430 Series Deployment Scenarios	19
Where to Go Next	20
Using the setup Command Facility	21
Before Powering On Your Cisco IAD	21
The setup Command Facility	22
Configuring Global Parameters	22
Configuring Controller and Interface Parameters	25
Configuring Controller Parameters	25
Configuring Fast Ethernet and Serial Interface Parameters	25
Fast Ethernet WAN Interface Configuration	26
SUMMARY STEPS	26
DETAILED STEPS	26
Serial Interface Configuration	27
Frame Relay Encapsulation	28
LAPB Encapsulation	28
X.25 Encapsulation	29
SMDS Encapsulation	29
Serial Cisco IOS Commands Generated	29
T1/E1 Channelized Mode	29
PPP Encapsulation	30
Frame Relay Encapsulation	30
LAPB Encapsulation	31
SMDS Encapsulation	31
Configuring a 1-Port, 4-Wire 56-kbps DSU/CSU Card	31
Choosing Circuit-Switched or Dedicated-Line Service	31
Switched Mode	32
Dedicated Mode	32
Completing the Configuration	33
Configuring with the Command-Line Interface	35
Configuring the Hostname and Password	36
SUMMARY STEPS	36
DETAILED STEPS	36
Verifying the Hostname and Password	37
Configuring Fast Ethernet Interfaces	38
SUMMARY STEPS	38
DETAILED STEPS	39
Configuring Network Clock	39
SUMMARY STEPS	40
DETAILED STEPS	40
Configuring T1/E1 Interfaces	41
Configuring Channel Groups on T1/E1 to Support Data	42
SUMMARY STEPS	42
DETAILED STEPS	42
Configuring Channel Groups on T1/E1 to Support Data Under SHDSL Controller	44
SUMMARY STEPS	44
DETAILED STEPS	44
Configuring Digital Voice on T1/E1	45
Configuring Switch Types for ISDN PRI Q.931 Support	46
SUMMARY STEPS	46
DETAILED STEPS	46
Example	47
Configuring DS0 Groups for CAS	48
SUMMARY STEPS	48
DETAILED STEPS	48
Example	50
Configuring TDM Cross-Connect	50
Configuring TDM to TDM	51
SUMMARY STEPS	51
DETAILED STEPS	51
Configuring TDM to Analog Voice Port	52
SUMMARY STEPS	52
DETAILED STEPS	52
Configuring TDM to Physical Serial Interface	52
SUMMARY STEPS	53
DETAILED STEPS	53
Configuring a WIC-1DSU-T1/E1 Serial WAN Interface Card	54
SUMMARY STEPS	54
DETAILED STEPS	55
Configuring a WIC-1T or WIC-2T Serial WAN Interface Card	58
Configuring a VIC2-2FXO or VIC2-4FXO Voice Interface Card	58
SUMMARY STEPS	59
DETAILED STEPS	59
Configuring a VIC2-2FXS or VIC2-4FXS Voice Interface Card	60
SUMMARY STEPS	61
DETAILED STEPS	61
Configuring ATM T1-WAN Ports	62
SUMMARY STEPS	63
DETAILED STEPS	63
Verifying Your ATM Interface Configuration	65
Configuring 1-Port ADSL/SHDSL WAN Interface Card	66
Configuration Tasks	66
Configuring the ADSL/SHDSL Port on the ADSL and SHDSL WAN Interface Card	66
SUMMARY STEPS	66
DETAILED STEPS	67
Verifying ATM Configuration	69
Configuring a VIC2-2BRI-NT/TE Card	70
SUMMARY STEPS	71
DETAILED STEPS	71
Saving Configuration Changes	72
SUMMARY STEPS	72
DETAILED STEPS	73
Configuring Voice over IP	75
Prerequisites	75
Configuring the Voice Interface	76
VoIP Configuration Examples	78
FXS-to-FXS Connection	78
Configuration for IAD-1	79
Configuration for Router RLB-w	79
Configuration for Router R12-e	79
Configuration for IAD-2	80
Linking PBX Users with Digital E&M Trunk Lines over T1/E1 CAS	80
IAD SJ Configuration	81
IAD SLC Configuration	81
PSTN Gateway Access Using an FXO Connection	82
IAD SJ Configuration	82
IAD SLC Configuration	83
PSTN Gateway Access Using an FXO Connection in PLAR Mode	83
IAD SJ Configuration	83
IAD SLC Configuration	84
Cisco IAD2430 Series Configuration Examples	85
Sample Configuration: Cisco IAD2435-8FXS	85
Sample Configuration: Cisco 2430-24FXS	87
Sample Configuration: Cisco 2431-1T1/E1 with WIC-2T	90
Sample Configuration: Cisco 2432-24FXS with VIC2-4FXO and QoS	92
Formatting the Flash Memory	97
Formatting Procedures for Flash Memory	97
Formatting Procedures	97
Determining the File System on Flash Memory	97
External Card with Class B Flash File System	98
External Card with Class C Flash File System	98
Internal Card with Class B Flash File System	99
Internal Card with Class C Flash File System	99
Formatting Flash Memory as a Class B Flash File System	99
Formatting Flash Memory as a Class C File System	100
File and Directory Operations	101
Operations for Use with Class B Flash File System	101
Operations for Use with Class C Flash File System	104
File Operations for Class C Flash File System	104
Directory Operations for Class C Flash File System	106
Using the ROM Monitor	111
Entering the ROM Monitor Mode	111
SUMMARY STEPS	111
DETAILED STEPS	112
ROM Monitor Commands	112
Command Descriptions	113
Recovering Boot and System Images	114
Using the xmodem Command	114
Using the tftpdnld -r Command	115
Configuration Register	116
Changing the Configuration Register Manually	116
Changing the Configuration Register Using Prompts	116
Console Download	117
Command Description	117
Error Reporting	118
Debug Commands	118
Exiting the ROM Monitor	119

Match case Limit results 1 per page

4-2

Cisco IAD2430 Series Integrated Access Devices Software Configuration Guide

OL-4306-03

Chapter 4

Configuring Voice over IP

Configuring the Voice Interface

•

Implement a dial plan, including the following tasks:

–

Complete your company’s dial plan. That is, decide what patterns of dialed numbers will access

what telephony endpoints.

–

Establish a working telephony network based on your company’s dial plan.

–

Integrate your dial plan and telephony network into your existing IP network topology.

Note

To support FXO signaling, you must install a VIC2-4FXO interface card. For information on

connecting voice interface cards (VICs), see “Connecting Voice Network Modules” at the

following URL:

http://www.cisco.com/univercd/cc/td/doc/product/access/acs_mod/cis2600/hw_inst/nm_inst/

nm-doc/conntvoi.htm

Configuring the Voice Interface

Whenever you install a new interface or want to change the configuration of an existing interface, you

must configure the interface. If you replace a module that was already configured, the Cisco IAD

recognizes it and brings up the interface in the existing configuration.

Note

The Cisco IAD2435 router is a fixed-configuration router and does not support interface cards.

Before you configure an interface, have the following information available:

•

Protocols you plan to route on the new interface

•

IP addresses, subnet masks, network numbers, zones, or other information related to the routing

protocol

Timesaver

Obtain this information from your system administrator or network plan before you begin configuring

your Cisco IAD.

To configure a voice interface, you must use configuration mode (manual configuration). In this mode,

you can enter Cisco IOS commands through the command-line interface (CLI).

Before you begin, disconnect all WAN cables from the Cisco IAD to prevent it from running the

AutoInstall process. The Cisco IAD tries to run AutoInstall whenever you power it on if there is a WAN

connection on both ends and the Cisco IAD does not have a valid configuration file stored in NVRAM

(for instance, when you add a new interface). It can take several minutes for the Cisco IAD to determine

that AutoInstall is not connected to a remote TCP/IP host.

To configure the voice interface configuration mode, follow these steps:

Step 1

Connect a console to the Cisco IAD. If you need instructions for connecting a console, see the

installation chapter of your Cisco IAD installation and configuration guide.

Step 2

Power on the Cisco IAD. If the current configuration is no longer valid, after about one minute you see

the following prompt:

Would you like to enter the initial dialog? [yes/no]: