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Generally, the available status is denoted by a green dot, while the busy status is denoted by a red dot on most of the instant messengers. Whereas answering machine or voice mail messages often have a generic greeting to leave a message, status messages more often contain a description of where the person is at the moment or what they are doing.
In telecommunications, an automatic callback is a computer telephony calling feature that permits a user, when encountering a busy condition or other condition where the called individual is unavailable, to instruct the system to retain the called number and to establish the call when there is an available line or when the called number is no longer busy.
Busy override is a function of the private branch exchange that allows the calling party to override the busy signal on the called party to break into the ongoing conversation. Before breaking in most PBX announce the incoming call by a distinctive sound signal or tone , but in most cases this can be disabled by software.
In many cases, when calling from abroad, busy, reorder and other call failure tones may be played by the local switch. Modern signalling protocols like SS7 send this information digitally; thus only a ringback tone or announcement generated by a distant switch in a foreign network will ever be heard by callers from other countries or networks.
Since you're jammed enough, we took an item off your to-do list by having psychologists share phrases to use instead of "I'm busy." Related: 11 Phrases to Use When Canceling Plans, According to ...
Like a dial tone or busy signal, the SIT is an in-band signal intended both to be heard by the caller, and to be detected by automated dialing equipment to determine a call has failed. In North America, the AT&T/Bellcore SIT standard allows the frequency and duration of the tones to vary slightly - making eight distinct messages specifically ...
The reorder tone, also known as the fast busy tone, or the congestion tone, or all trunks busy (ATB) tone is an audible call progress tone in the public switched telephone network (PSTN) that is returned to a calling party to indicate that the call cannot be processed through the network.
Current standards support a rich choice of additional presence attributes that can be used for presence information, such as user mood, location, or free text status. The analogy with free/busy tone on PSTN is inexact, as the "on-hook" telephone status reflects the ability of the network to reach the recipient after the requester has initiated ...