Appendix B Skeleton Configuration File

CCPackage

A_CC_NUM_REL_RETRIES

C

[]

CCPackage

A_CC_WAIT_REL_RETRY

C

[]

CCPackage

A_CC_WAIT_RLC_FAIL

C

[]

# Cause code map

 

CCPackage

CC_EC_UnallocatedNumber

C

STRING

 

CCPackage

CC_EC_NoRouteToTns

C

STRING

 

CCPackage

CC_EC_NoRouteToDest

C

STRING

 

CCPackage

CC_EC_SpecialInformationTone

C

STRING

 

CCPackage

CC_EC_MisdialledTkPrefix

C

STRING

 

CCPackage

CC_EC_ChUnacceptable

C

STRING

 

CCPackage

CC_EC_CallAwardedDeliveredEstCh

C

STRING

 

CCPackage

CC_EC_Preemption

C

STRING

 

CCPackage

CC_EC_PreemptionCctRes

C

STRING

 

CCPackage

CC_EC_NormalClearing

C

STRING

 

CCPackage

CC_EC_UserBusy

C

STRING

 

CCPackage

CC_EC_NoUserResponding

C

STRING

 

CCPackage

CC_EC_NoAnswerAlertedUser

C

STRING

 

CCPackage

CC_EC_SubAbscent

C

STRING

 

CCPackage

CC_EC_CallRejected

C

STRING

 

CCPackage

CC_EC_NumberChanged

C

STRING

 

CCPackage

CC_EC_RedirectionToNewDest

C

STRING

 

CCPackage

CC_EC_RoutingError

C

STRING

 

CCPackage

CC_EC_NonSelectedUserClearing

C

STRING

 

CCPackage

CC_EC_DestOutOfOrder

C

STRING

 

CCPackage

CC_EC_InvalidNumberFormat

C

STRING

 

CCPackage

CC_EC_FacilityRejected

C

 

 

STRING

 

CCPackage

CC_EC_ResponseToStatusEnquiry

C

 

 

STRING

 

CCPackage

CC_EC_NormalUnspecified

C

 

 

STRING

 

CCPackage

CC_EC_NoCircuitAvailable

C

 

 

STRING

 

CCPackage

CC_EC_NetworkOutOfOrder

C

 

 

STRING

 

CCPackage

CC_EC_PermanentFrameModeOos

C

 

 

STRING

 

CCPackage

CC_EC_PermanentFrameModeOperational

C

 

 

STRING

 

CCPackage

CC_EC_TemporaryFailure

C

 

 

STRING

 

CCPackage

CC_EC_SwitchingEquipCongestion

C

 

 

STRING

 

CCPackage

CC_EC_AccessInfoDiscarded

C

 

 

STRING

 

CCPackage

CC_EC_ReqCircuitUnavail

C

 

 

STRING

 

 

Cisco H.323 Signaling Interface User Guide

 

 

 

 

 

 

 

OL-4806-01 Rev. A14

 

 

 

 

B-11

 

 

 

 

 

 

 

Page 152 Page 154
Page 153
Image 153
Cisco Systems H.323 manual Accnumrelretries, Accwaitrelretry, Accwaitrlcfail
Page 152 Page 154

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.
Top Page Image Contents