A human engine has a torque curve similar to that of a steam engine, more or less, which is to say that it is flat until a certain critical rpm, at which point it begins to drop off, because the energy used in accelerating and decelerating massy components (legs) begins to take up all the energy produced.
Asterisk (PBX) Asterisk is a software implementation of a telephone private branch exchange (PBX); it allows attached telephones to make calls to one another, and to connect to other telephone services, such as the public switched telephone network (PSTN) and Voice over Internet Protocol (VoIP) services.
Asterisk compatible call accounting software. 1  Asterisell: support complex organization hierarchies, and can merge CDRs from two or more collaborating VoIP servers, creating a single logical call. 2  Avaya / Nortel Call Accounting Software. 3  Call Accounting Mate FREE to TRY. 4  Call Accounting for All Manufacturers.