Cisco Systems manual Voice over IP for the Cisco AS5800, Feature Overview

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Voice over IP for the Cisco AS5800

The Voice over IP for the Cisco AS5800 feature adds Voice over IP carrier-class gateway functionality to the Cisco AS5800 platform. This document contains the following sections:

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Feature Overview, page 1

Supported Platforms, page 5

Supported Standards, MIBs, and RFCs, page 5

Prerequisites, page 6

Configuration Tasks, page 7

Configuration Example, page 19

Command Reference, page 21

Feature Overview

Voice over IP (VoIP) enables a Cisco AS5800 universal access server to provide voice and fax traffic, such as telephone calls and faxes, over an IP network. There are basically two different environments in which VoIP can be deployed: enterprise and service provider. Different strategies have been developed for deploying VoIP in both of these environments. The Cisco AS5800 universal access server can be configured for deployment in either an enterprise or a service provider environment but, because of the extensive capabilities of the Cisco AS5800 universal access server, it is more likely that it will function as a carrier class gateway in a service provider environment. This document, then, describes how to configure the Cisco AS5800 universal access server to act as a carrier class gateway in your VoIP network. To configure the Cisco AS5800 universal access server to perform in an enterprise environment, refer to the Cisco IOS Release 12.0(3)T Voice over IP for the Cisco AS5300 feature module. The configuration steps for both the Cisco AS5300 access server and the Cisco AS5800 universal access server for an enterprise environment are identical.

Voice over IP in either the service provider or enterprise environment is primarily a software feature; however, to use this feature on the Cisco AS5800, you must install a VoIP feature card (VFC). The VFC uses the Cisco AS5800’s T1/E1 and T3 Public Switched Telephone Network (PSTN) interfaces and local-area network (LAN) or wide-area network (WAN) routing capabilities to provide up to a 192 ports or channels (per VFC card) for VoIP packetized voice traffic.

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Contents Voice over IP for the Cisco AS5800 Feature OverviewBenefits Feature OverviewTwo-Stage-Dial Toll Bypass Benefits Two-Stage Dial Toll Bypass Pstn Voice-Traffic and Fax-Traffic Off loadUniversally Accessible Voice-Mail and Fax-Mail Services Related Features and TechnologiesRestrictions Related DocumentsSupported Standards, MIBs, and RFCs Supported PlatformsStandards MIBsPrerequisites PrerequisitesConfiguring IP Networks for Real-Time Voice Traffic Configuration TasksConfiguration Tasks Configuring Custom Queuing and IP RTP Reserve Configuring Voice PortsStep Command Purpose Configuring Voice PortsConfiguration Tasks Step Command Purpose Fine-Tuning Isdn Voice PortsTroubleshooting Tips Verifying Voice Port ConfigurationSecondsinfinity Inbound versus Outbound Dial Peers Configuring Dial PeersPots command is a tag that uniquely identifies Configuring Pots PeersOutbound Dialing on Pots Peers Pots peer. The number value of the dial-peer voiceIncoming and Outgoing Pots Call Legs Direct Inward Dial for Pots PeersDistinguishing Voice and Modem Calls on the Cisco AS5800 Using the elements, the algorithm is as followsVerifying Dial Peer Configuration Configuring VoIP PeersConfiguring the Cisco AS5800 as an H.323 Gateway Configuring the Cisco AS5800 as an H.323 GatewayRouterconfig-if#h323-gateway voip interface Routerconfig-if#h323-gateway voip h323-idVerifying Gateway Interface Configuration Configuring the Cisco AS5800 for Interactive Voice ResponseConfiguring IVR Router config# call application voice nameVerifying IVR Configuration Configuration ExampleConfiguration Example Configuring the Cisco 2600 as a Gateway Configuring the Cisco 3640 as a GatekeeperConfiguring the Cisco AS5800 as a Gateway New Commands Command ReferenceCommand Reference Codec Port Show csm Show voice port Voice-port Modified CommandsCommand Modes DefaultsCodec Syntax DescriptionRelated Commands Command HistoryUsage Guidelines ExamplesDtmf-relay CommandDescription No port is configured DefaultPort Cisco MC3810Example Command ModeShow csm Router# show csm voice 2/4/4/0 Specifies the T1 or E1 controller Explains the fields contained in both of these examplesShow csm voice Field Descriptions Field DescriptionCommand Reference Show csm voice Field Descriptions Show csm Tdmdspstream Related Commands Syntax Description For the Cisco 2600/3600 series Show voice portFor the Cisco AS5800 Universal Access Server For the Cisco AS5300 Access ServerFor the Cisco MC3810 Show voice portRouter# show voice port 1/0/0 Router# show voice port 1/2 Show voice port Field Descriptions Explains the fields in the sample outputSummary Show voice port Show voice port Field Descriptions for the Cisco AS5800 Command Reference Show voice port Field Descriptions5800# show voice port 1/0/0D Isdn 1/0/0D Show call active voice ReleaseModification Show vrm activecalls5800# show vrm activecalls Show vrm vdevice Field Descriptions Show vrm activecallsCommand Reference Show vrm vdevice Field Descriptions Show vrm vdevices Show vrm vdevices5800# show vrm vdevices 6 Show vrm vdevices Summary of voice devices for all voice cards 5800# show vrm vdevices summaryShow vrm vdevice summary Field Descriptions CCCAPCODECG711U DSP# Show vrm activecalls Test vrm busyout Test vrm busyoutRouter# test vrm busyout 4 all Router# test vrm busyout 4 1 channel Router# test vrm busyout 4 1Following example resets DSP 4 on the VFC installed in slot Test vrm resetTest vrm reset Router# test vrm reset 4Router# test vrm unbusyout 4 all Test vrm unbusyoutRouter# test vrm unbusyout 4 1 Test vrm unbusyoutRouter# test vrm unbusyout 4 1 channel Voice-port Voice-port Global configurationDial-peer voice New Debug Commands Debug CommandsDebug Commands Debug vrm control There are no arguments or keywords used in this commandFormat for the Receive messages is as follows Format of the Send messages is as followsDebug vrm control Debug vrm control Field Descriptions Describes the fields in previous exampleDebug vrm error Debug vrm errorVtspfail codec value not supported Possible state values are as follows = Reset This error message notifies the VRM of a DSP alarmDebug vrm error Field Descriptions Expains the field contained in the previous exampleDebug vrm control Debug vrm inout Debug vrm inoutGlossary GlossaryGlossary Glossary
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AS5800 specifications

Cisco Systems has long been a leader in the networking and telecommunications field, and its AS5800 series of routers exemplify this tradition. The AS5800, along with the AS5850, AS5350, AS5400, and AS5300, provides robust solutions for service providers and enterprise-level networking applications. Each of these models has distinct features and characteristics that cater to the evolving demands of internet traffic and data processing.

The Cisco AS5800 is designed for high-capacity routing and optimized for broadband services. It supports a wide range of services, including voice, data, and video applications, making it a versatile option for service providers looking to deliver integrated solutions. It is equipped with advanced quality of service (QoS) features that ensure bandwidth is allocated effectively, holding strong even under heavy traffic conditions.

In comparison, the AS5850 offers superior processing capabilities and is typically utilized in larger-scale implementations. This model supports high-density interfaces, allowing numerous connections without compromising performance. Its architecture includes enhanced MPLS (Multiprotocol Label Switching) support, enabling more efficient traffic management and better utilization of network resources.

The AS5350 is known for its scalability and energy efficiency, ideal for voice-over-IP (VoIP) and media gateway applications. It supports various telephony features, such as protocol interworking and transcoding, making it a preferred choice for organizations focusing on digital voice technologies. The AS5300, while slightly older, continues to be a valuable asset for less demanding networks, offering reliable performance with VoIP capabilities and basic data applications.

The AS5400 bridges the gap between high-performance routing and operational efficiency. It incorporates Cisco's proprietary technologies to ensure seamless connectivity and robust failover systems. This model is highly regarded for its security features, protecting network integrity and providing peace of mind for businesses relying on sensitive data transfer.

Overall, Cisco’s AS5800 series showcases a progressive evolution of routing capabilities with enhanced features tailored for resilience, scalability, and performance. These routers not only address the technical needs of modern networks but also strategically position organizations for future growth in an increasingly digital world. Each model, with its unique attributes, continues to support the varied demands of global communication infrastructures.
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