Cisco Systems VG202XM, VG204XM manual Getting Help, Command Modes, Exit , or logout

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Chapter 1 Understanding Interface Numbering and Cisco IOS Software Basics

Understanding Cisco IOS Software Basics

•The VG202 and VG204 devices support IOS software releases 15.0(1)M or earlier* due to memory limitations. The VG202XM and VG204XM devices will support the latest IOS software release 15.3(2)T and beyond. Earlier releases are not supported on the VG202XM and VG204XM. *Deployments requiring support for secure SCCP based call control are supported using 15.1(4)M IOS release.

Getting Help

Use the question mark (?) and arrow keys to help you enter commands:

•For a list of available commands, enter a question mark:

VG> ?

•To complete a command, enter a few known characters followed by a question mark (with no space):

VG> s?

•For a list of command variables, enter the command followed by a space and a question mark:

VG> show ?

•To redisplay a command you previously entered, press the up arrow key. You can continue to press the up arrow key for more commands.

Command Modes

The Cisco IOS user interface involves different modes. Each command mode permits you to configure different components on your voice gateway. The commands available at any given time depend on which mode you are currently in. Entering a question mark (?) at the prompt displays a list of commands available for each command mode. Table 1-1lists the most common command modes.

Table 1-1

Common Command Modes

 

 

 

 

 

 

Command Mode

Access Method

VG Prompt Displayed

Exit Method

 

 

 

 

 

User EXEC

 

Log in.

VG>

Use the logout

 

 

 

 

command.

 

 

 

 

Privileged EXEC

From user EXEC mode,

VG#

To exit to user EXEC

 

 

enter the enable

 

mode, use the disable,

 

 

command.

 

exit, or logout

 

 

 

 

command.

 

 

 

 

 

Cisco VG202, Cisco VG202XM, Cisco VG204, and Cisco VG204XM Voice Gateways Software Configuration Guide

1-4

OL-16191-01

 

 

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Contents Americas Headquarters Text Part Number OL-16191-01Copyright 2008-2013 Cisco Systems, Inc. All rights reserved N T E N T S Changing the Configuration Register Manually A-5 Document Objectives AudienceAccessibility Documentation ConventionsConvention Description Boldface fontRelated Documentation Cisco VG200 Series GatewaysViii About the Voice Gateways Port Numbering ConventionsBack Panel Feature Locations on the Cisco VG202 Chassis Understanding Cisco IOS Software Basics About Cisco IOS SoftwareChapter before you proceed to the next chapter ReleaseCommand Modes Command Mode Access Method VG Prompt Displayed Exit MethodGetting Help Exit , or logoutUndoing a Command or Feature Saving Configuration ChangesConfigure terminal Interface fast ethernetWhere to Go Next Typical Voice Gateway Deployment ScenarioUpgrading to a New Cisco IOS Release Page OL-16191-01 About Configuring Your Voice Gateway Preparing to Configure Your Cisco Voice GatewayProcedure Using the setup Command Determine the addressing plan for each network protocolEnter a hostname for the voice gateway Enter hostname VG VG204 Completing the Configuration OL-16191-01 Configuring the Hostname and Password Configuration guide and command reference publicationsRestriction Verifying the Hostname and Password Command or Action PurposeExit ExampleConfiguring Fast Ethernet Interfaces Enable Configure terminal Ip routingBefore You Begin Exit Ctrl-z Saving Configuration Changes Enable Copy running-config startup-config Ctrl-zSaves the configuration changes to Nvram so that they Are not lost during resets, power cycles, or powerOL-16191-01 Configuring the Voice Interface PrerequisitesPrompt changes to the privileged Exec enable prompt VG# Restriction for Configuring Auto-Configuration Auto-Configuration With a Dhcp ServerEnable Configure terminal Ip address dhcpAuto-Configuration Without a Dhcp Server Voice service voip Fax protocol t38 nseforceCcm-manager config server tftpipaddress Ccm-manager sccp Enables the Sccp and its related applications Downloads Cucm XML configuration files and enablesConfiguration port Transcoding and conferencingEnables Cucm auto-configuration of the Cisco IOS Sccp Sccp ccm group group-numberDial-peer voice tags pots Service stcapp Command or Action Purpose Configuring the MAC Address Convention Last Three Digits of the MACPort Number Address 000 001 002 003Configuring Calls Enters privileged Exec modeEnters global configuration mode. You have entered Global configuration mode when the prompt changes toCall Waiting Three-Party ConferencingCaller ID Caller-id enable type Caller-id enable type ExitAllows the sending or receiving of caller ID information OL-16191-01 Entering the ROM Monitor Mode Enable Configure terminal Config-register value Exit ReloadAbout the ROM Monitor Commands Listing the ROM Monitor Commands Command DescriptionsRecovering Boot and System Images Command DescriptionReset or MeminfoUsing the Configuration Register About Changing the Configuration RegisterChanging the Configuration Register Manually Changing the Configuration Register Using PromptsUsing the Console Download Function Command DescriptionAbout the Console Download Function Using Debug Commands Error ReportingContext-Displays processor context for example Exiting the ROM Monitor Mode Rommon 9 meminfo Main memory size 128 MBMeminfo A-8reset A-4 FiguresReset command ROM monitor Commands Debug commands
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VG202, VG204XM, VG204, VG202XM specifications

Cisco Systems has long been a leader in the realm of networking technology, providing innovative solutions for businesses of all sizes. Among its products, the Cisco VG202XM, VG204, VG204XM, and VG202 series stand out as vital components in voice gateway solutions for IP telephony applications.

The Cisco VG202XM and VG204 series are designed to facilitate the convergence of voice and data as businesses transition to VoIP (Voice over Internet Protocol). These voice gateways offer seamless integration with legacy telephony systems while enabling the deployment of advanced IP-based telephony features. They are particularly useful for organizations looking to preserve their existing investments in traditional telephony infrastructure while embracing modern communication technologies.

One of the main features of the VG202XM and VG204 series is their support for two-line interfaces, catering to varying deployment needs. The VG202 provides two FXS (Foreign Exchange Station) ports, which allow businesses to connect analog phones and fax machines directly. The VG204 enhances this capability by offering four FXS ports, accommodating larger user bases and providing more connections for local telephony equipment.

These gateways support an array of voice codecs and can handle up to 16 concurrent calls, ensuring high-quality voice communication in busy environments. Their integration with Cisco's Unified Communications Manager allows users to access a host of advanced telephony features such as call forwarding, voicemail, and conferencing.

On the technology front, the VG202XM and VG204 series support both SIP (Session Initiation Protocol) and H.323 protocols, making them versatile for varied network environments. They also offer advanced QoS (Quality of Service) capabilities, ensuring that voice traffic is prioritized over other types of data, which is essential in maintaining call clarity and reliability.

Additionally, the VG204XM variant adds built-in safety features, such as power over Ethernet (PoE), which eliminates the need for separate power supplies for connected devices. This not only streamlines deployment but also enhances the reliability of the voice system.

In terms of management, these devices are equipped with Cisco's user-friendly interface, which simplifies configuration and monitoring. They can be managed through various tools offered by Cisco, making it easier for IT departments to maintain and optimize their voice services.

Overall, the Cisco VG202XM, VG204, VG204XM, and VG202 series deliver robust, scalable, and reliable solutions for businesses aiming to leverage the benefits of voice gateways in their enterprise networks. These devices not only provide essential voice capabilities but also pave the way for future growth and integration in an increasingly digital world.
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