A supervisory protocol for RTP that can provide information about the quality of a call.
The protocol that carries voice packets.
The protocol used to communicate with a Cisco H.323 gatekeeper.
A measurement indicating the likelihood that a packet can successfully traverse a network without being dropped.
The process of copying database information from a publisher server to subscriber servers.
The ringing sound heard by a caller to indicate that the dialed phone is ringing.
The ringing pattern that specifies the on-off duration in a ring pattern.
The number of rings received on an FXO port before the port answers a call.
A type of supervisory signaling that lets a called party realize they are receiving a call.
Used with channel-associated signaling, where framing bits are robbed from a Super Frame or an Extended Superframe and used for signaling bits.
A switch in the Layer 2 network running the Spanning Tree Protocol that serves as the point to which other switches forward traffic.
A type of hunt group, where incoming calls are sent to the first available number in a list of numbers.
A QoS mechanism that logically compresses the size of a voice packet's header down to only 2 or 4 bytes.
CallManager data including such information as calls in progress, gateway and IP phone registration, and information about DSP resources.