Chapter 3 Provisioning the Cisco HSI

H.323 Stack Configuration

Table 3-14 Common Static System Data Parameters (continued)

Parameter Name

Parameter Values

Description

 

 

 

NotifyMsgEnabled

For example:

Allows transit of connected number, display

 

• “enabled”—a string that indicates the

information, and generic notification indicator in

 

feature is enabled.

H.225 Notify messages.

 

 

 

• Blank (“”)—indicates the feature is

 

 

disabled

 

 

• “deleted”—indicates that the feature

 

 

is disabled

 

 

 

 

VSCB_IPADDR1/2

IP address, for example: “10.10.10.1”

Allows IP address configuration of second PGW.

 

 

 

VSCB_PORT_NUMBER1/2

Port number, for example: 8003

Allows port configuration of second PGW.

 

 

 

The following MML command example shows the command sequence used to provision the static system data parameters provided in the preceding table.

Example

mml

>prov-sta::srcver=active, dstver=myconf

>prov-ed:name=SYS_CONFIG_STATIC, DtmfSupportedType=”dtmf”

>prov-cpy

>restart-softw

Table 3-15presents common RAS parameters.

Table 3-15 Common RAS Parameters

Parameter Name

 

Parameter Value

Description

 

 

 

 

gateway.prefix[1]

 

For example: 020

HSI prefix (for gatekeeper registration)

gateway.prefix[2]

 

 

 

 

 

 

 

timeToLive

 

Integer (to specify number of seconds)

RAS registration time to live.

 

 

for example, 45

See Table 3-8.

 

 

 

 

 

Note To enable lightweight RRQs, the

 

 

 

value for this parameter should be

 

 

 

set substantially lower than the

 

 

 

default (600).

 

 

 

 

 

 

The following MML command example shows the command sequence used to provision the RAS

 

parameters provided in the preceding table.

 

Example

mml

>prov-sta::srcver=active, dstver=myconf

>prov-ed:name=RAS, timeToLive=45

>prov-cpy

>restart-softw

 

 

Cisco H.323 Signaling Interface User Guide

 

 

 

 

 

 

OL-4806-01 Rev. A14

 

 

3-21

 

 

 

 

 

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Cisco Systems H.323 manual VSCBIPADDR1/2, VSCBPORTNUMBER1/2, 15presents common RAS parameters
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H.323 specifications

Cisco Systems H.323 is a set of standards designed for transmitting audio, video, and data over packet-switched networks. It is a critical technology that enables real-time communication and has become integral to the world of VoIP (Voice over Internet Protocol) and video conferencing applications. Originally developed by the ITU-T, H.323 has been widely adopted and implemented by Cisco Systems, allowing organizations to leverage reliable and scalable communication solutions.

One of the standout features of H.323 is its ability to support interoperability among varying equipment and platforms. This means that devices from different manufacturers can communicate seamlessly, which is vital in a diverse technical environment. H.323 does this by defining protocols that handle signaling, media transport, and control, ensuring that various systems can work together effectively.

Key technologies utilized within H.323 include H.225 and H.245 signaling protocols. H.225 is responsible for call setup and management, establishing communication between endpoints. In contrast, H.245 manages the negotiation of media channels, allowing devices to configure themselves based on the capabilities of each other. This adaptability is crucial for dynamic network conditions typical in VoIP applications.

Another defining characteristic of H.323 is its support for multiple types of multimedia communication, including point-to-point and multipoint calls. This flexibility supports everything from simple audio calls to complex videoconferencing setups, where many participants can share video and audio streams concurrently. Cisco enhances this capability through its hardware and software offerings, optimizing performance for conference calls.

H.323 also features robust error resilience mechanisms. This ensures that real-time data, which is typically sensitive to delays and losses, can be transmitted with minimal disruption. Moreover, it facilitates quality of service (QoS) implementation, allowing organizations to prioritize voice and video traffic over less critical data services, thereby improving the overall user experience.

In conclusion, Cisco Systems H.323 stands out as a comprehensive solution for real-time communication over packet-based networks. Its main features, including interoperability, multimedia support, and enhanced error resilience, position it as a relevant technology in both corporate and personal communication settings. As organizations continue to adopt cloud and hybrid communication models, H.323 remains a reliable backbone for ensuring connectivity and collaboration across diverse platforms.
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