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AT&T has an intercept message that is heard due to network congestion: "All circuits are busy now, please try your call again [TANDEM]". The number and digits at the end identify the network edge or Tandem switch the caller's local exchange company routed the call to.
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.
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 formula provides the GoS (grade of service) which is the probability P b that a new call arriving to the resources group is rejected because all resources (servers, lines, circuits) are busy: B(E, m) where E is the total offered traffic in erlang, offered to m identical parallel resources (servers, communication channels, traffic lanes).
Discover 30 motivational memes to power you through any struggle. Find the inspiration to make it through tough days and turn every little bit of effort into a victory! The post 30 Motivational ...
To calculate the Grade of Service of a specified group of circuits or routes, Agner Krarup Erlang used a set of assumptions that relied on the network losing calls when all circuits in a group were busy. These assumptions are: [4] All traffic through the network is pure-chance traffic, i.e. all call arrivals and terminations are independent ...
Image credits: Cheryl Mollé "There's sort of the jock, there's kind of the cheerleader, the pretty one, there's the kind of the weirdo in the corner," Carell told NBC.
The One Time It's Best To Say "I'm Busy" All of the above responses are great swaps for "I'm busy," but Dr. Cooper says there's one time when the phrase is the best one to go with.