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- Call_Admission_Control abstract "Call Admission Control (CAC) prevents oversubscription of VoIP networks. It is used in the call set-up phase and applies to real-time media traffic as opposed to data traffic. CAC mechanisms complement and are distinct from the capabilities of Quality of Service tools to protect voice traffic from the negative effects of other voice traffic and to keep excess voice traffic off the network. Since it averts voice traffic congestion, it is a preventive Congestion Control Procedure. It ensures that there is enough bandwidth for authorized flows. Integrated Services with RSVP (which reserve resources for the flow of packets through the network) using controlled-load service ensures that a call cannot be set up if it cannot be supported. CAC rejects calls when either there is insufficient CPU processing power, the upstream and downstream traffic exceeds prespecified thresholds, or the number of calls being handled exceeds a prespecified limit.Connection Admission Control (CAC) can be used to prevent congestion in connection-oriented protocols such as ATM. In that context, there are several schemes available. However, VoIP differs in that it uses RTP, UDP and IP, all of which are connectionless protocols.".
- Call_Admission_Control wikiPageExternalLink cac.pdf.
- Call_Admission_Control wikiPageID "1984140".
- Call_Admission_Control wikiPageRevisionID "599302045".
- Call_Admission_Control hasPhotoCollection Call_Admission_Control.
- Call_Admission_Control subject Category:VoIP_protocols.
- Call_Admission_Control type Abstraction100002137.
- Call_Admission_Control type Communication100033020.
- Call_Admission_Control type Direction106786629.
- Call_Admission_Control type Message106598915.
- Call_Admission_Control type Protocol106665108.
- Call_Admission_Control type Rule106652242.
- Call_Admission_Control type VoIPProtocols.
- Call_Admission_Control comment "Call Admission Control (CAC) prevents oversubscription of VoIP networks. It is used in the call set-up phase and applies to real-time media traffic as opposed to data traffic. CAC mechanisms complement and are distinct from the capabilities of Quality of Service tools to protect voice traffic from the negative effects of other voice traffic and to keep excess voice traffic off the network. Since it averts voice traffic congestion, it is a preventive Congestion Control Procedure.".
- Call_Admission_Control label "Call Admission Control".
- Call_Admission_Control sameAs m.06bxmm.
- Call_Admission_Control sameAs Q5021493.
- Call_Admission_Control sameAs Q5021493.
- Call_Admission_Control sameAs Call_Admission_Control.
- Call_Admission_Control wasDerivedFrom Call_Admission_Control?oldid=599302045.
- Call_Admission_Control isPrimaryTopicOf Call_Admission_Control.