Configuring the Cisco AS5800 as an H.323 Gateway

Use the show dialplan number command on the local and remote routers to verify that the data is configured correctly on both.

If you have configured number expansion, use the show num-expcommand to check that the partial number on the local router maps to the correct full E.164 telephone number on the remote router.

If you have configured a CODEC value, there can be a problem if both VoIP dial peers on either side of the connection have incompatible CODEC values. Make sure that both VoIP peers have been configured with the same CODEC value.

Use the debug voip ccani inout command to verify the output string the router dials is correct.

Use the debug cch323 rtp command to check RTP packet transport.

Use the debug cch323 h245 command to check logical channel negotiation.

Use the debug cch323 h225 command to check the call setup.

Configuring the Cisco AS5800 as an H.323 Gateway

The Service Provider implementation of Voice over IP uses both gatekeepers and gateways. Because of the extensive capabilities of the Cisco AS5800 universal access server, it is likely that it will function as a carrier class gateway in a Service Provider environment. The final step in configuring the Cisco AS5800 for Voice over IP functionality is to configure one of its interfaces as a gateway interface. You can use either an interface that is connected to the gatekeeper or a loopback interface for the gateway interface. The interface that is connected to the gatekeeper is usually a LAN interface—Fast Ethernet, Ethernet, FDDI, or Token Ring.

To configure a gateway interface, perform the following steps beginning in the global configuration mode:

Step

Command

Purpose

1

Router(config)# gateway

Enables the gateway.

 

 

 

2

Router(config)# ip cef

Enables Cisco Express Routing.

 

 

 

3

 

Configure the interface. This step will vary, depending on

 

 

the interface you select as being the interface connected to

 

 

the gatekeeper. For the purposes of this procedure, a Fast

 

 

Ethernet interface is used.

 

 

 

4

Router(config)# int fa0

Enters configuration mode for the configured Fast

 

 

Ethernet interface connected to the gatekeeper.

 

 

 

5

Router(config-if)#h323-gateway voip interface

Identifies this interface as a VoIP gateway interface.

 

 

 

6

Router(config-if)#h323-gateway voip id gatekeeper-id

Defines the name and location of the gatekeeper for this

 

{ipaddr ip-address [port-number]multicast}

gateway.

 

 

 

7

Router(config-if)#h323-gateway voip h323-id

Defines the H.323 name of the gateway, identifying this

 

interface-id

gateway to its associated gatekeeper.

 

 

 

8

Router(config-if)h323-gateway voip tech-prefix prefix

Defines the technology prefix that the gateway will

 

 

register with the gatekeeper.

 

 

 

For more information about configuring gateways and gatekeepers, refer to the Cisco IOS Release

12.0(3)T Service Provider Features for Voice over IP feature module.

Voice over IP for the Cisco AS5800 17

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Cisco Systems manual Configuring the Cisco AS5800 as an H.323 Gateway, Routerconfig-if#h323-gateway voip interface

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.