CCECPreemptionCctUnavailable, CCECTransferred

Appendix B Skeleton Configuration File

SYS_CONFIG_STATIC	CC_EC_PreemptionCctUnavailable	S	STRING
SYS_CONFIG_STATIC CC_EC_Prefix0DialledInError		S	STRING
SYS_CONFIG_STATIC CC_EC_Prefix1DialledInError		S	STRING
SYS_CONFIG_STATIC CC_EC_Prefix1NotDialled		S	STRING
SYS_CONFIG_STATIC CC_EC_PriorityForcedRelease		S	STRING
SYS_CONFIG_STATIC CC_EC_Proprietary		S	STRING
SYS_CONFIG_STATIC	CC_EC_ProtErrThresholdExceeded	S	STRING
SYS_CONFIG_STATIC CC_EC_ProtocolErrorUnspec		S	STRING
SYS_CONFIG_STATIC CC_EC_Reject		S	STRING
SYS_CONFIG_STATIC	CC_EC_RejectedDivertedCall	S	STRING
SYS_CONFIG_STATIC CC_EC_RemoteProcError		S	STRING
SYS_CONFIG_STATIC CC_EC_RepeatAttempt		S	STRING
SYS_CONFIG_STATIC CC_EC_RouteOutOfService		S	STRING
SYS_CONFIG_STATIC CC_EC_SelectiveCallBarring		S	STRING
SYS_CONFIG_STATIC CC_EC_ServiceIncompatible		S	STRING
SYS_CONFIG_STATIC	CC_EC_ServiceTemporarilyUnavailable	S	STRING
SYS_CONFIG_STATIC CC_EC_ServiceUnavailable		S	STRING
SYS_CONFIG_STATIC	CC_EC_SignalNotUnderstood	S	STRING
SYS_CONFIG_STATIC	CC_EC_SignalNotValid	S	STRING
SYS_CONFIG_STATIC	CC_EC_SignallingSystemIncompatible	S	STRING
SYS_CONFIG_STATIC	CC_EC_SubControlledIcb	S	STRING
SYS_CONFIG_STATIC CC_EC_SubNotFoundDle		S	STRING
SYS_CONFIG_STATIC	CC_EC_SubscriberCallTerminate	S	STRING
SYS_CONFIG_STATIC	CC_EC_SubscriberIncompatible	S	STRING
SYS_CONFIG_STATIC CC_EC_SubscriberMoved		S	STRING
SYS_CONFIG_STATIC CC_EC_SubscriberOutOfService		S	STRING
SYS_CONFIG_STATIC CC_EC_TemporaryOos		S	STRING
SYS_CONFIG_STATIC	CC_EC_TerminalCongestion	S	STRING
SYS_CONFIG_STATIC	CC_EC_Transferred	S	STRING
SYS_CONFIG_STATIC	CC_EC_TranslationOos	S	STRING
SYS_CONFIG_STATIC	CC_EC_UnallocatedDestNumber	S	STRING
SYS_CONFIG_STATIC	CC_EC_UndefinedBg	S	STRING
SYS_CONFIG_STATIC	CC_EC_Unknown	S	STRING
SYS_CONFIG_STATIC	CC_EC_UnrecElemPassedOn	S	STRING
SYS_CONFIG_STATIC	CC_EC_VacentCode	S	STRING
SYS_CONFIG_STATIC	CC_EC_WhitelistCliNotMatched	S	STRING

	Cisco H.323 Signaling Interface User Guide
B-4	OL-4806-01 Rev. A14

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.

SYS_CONFIG_STATIC