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Abbreviated and regularly referred to as AMIS, the Audio Messaging Interchange Specification is a standard that allows the transmittal of intact voice mail messages between voice mail systems of different vendors - allowing a user to "forward" a voice mail message to a user on a different voice mail system (in a different geographic area, or conceivably, at a different company).
The voicemail system answered the call and the caller could leave a long, detailed message. As soon as the message was received, the voicemail system would trigger the citizen's pager. When the page was received, the citizen would find a pay phone and call in to pick up the message. This concept was used successfully in South America and South ...
A voice interface card or VIC is a hardware interface that simulates a FXS on a router or network switch. This device port is used to interface telephone voice or other audio-based FXS devices. Typically, a VIC contains one or more RJ-11 ports, allowing connections to basic telephone service ( POTS ), equipment, keysets, and PBXes .
A session border controller (SBC) is a network element deployed to protect SIP based voice over Internet Protocol (VoIP) networks. [1]Early deployments of SBCs were focused on the borders between two service provider networks in a peering environment.
Unified communications (UC) is a business and marketing concept describing the integration of enterprise communication services such as instant messaging (chat), presence information, voice (including IP telephony), mobility features (including extension mobility and single number reach), audio, web & video conferencing, fixed-mobile convergence (FMC), desktop sharing, data sharing (including ...
This feature is also frequently called (and abbreviated) as visual message waiting indicator (VMWI). A VMWI, as defined in Telcordia GR-1401-CORE, is a stored program controlled switching (SPCS) system feature that activates and deactivates a visual indicator on customer-premises equipment (CPE) to notify the customer that new messages are waiting.
Voice modems are used for telephony and answering machine applications. Similar to the Hayes command set used for data modems, in which the host PC commands the modem via a series of commands known as AT commands, there exists a well-defined set of common voice AT commands that are somewhat consistent throughout the industry.
For data communication, the overall length of time required to establish a circuit-switched call between terminals; i.e., the time from the initiation of a call request to the beginning of the call message. Note: Call set-up time is the summation of: (a) call request time—the time from initiation of a calling signal to the delivery to the ...