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 G.729 Licensing. Many people use Asterisk because they want an open source solution. They are frustrated when they find that the G.729 module from Digium (the Asterisk creator) is not open source.In fact, it is technically possible to use the open source G.729 and G.723.1 modules with Asterisk, while only buying the licenses from Digium or another vendor.any people use Asterisk because they want an open source solution. They are frustrated when they find that the G.729 module from Digium (the Asterisk creator) is not open source.