Article: How SIP Works
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How SIP Works
Have you ever wondered why long distance calls cost so much? In part the reason is because telephone lines cost so much. When driving, you might occasionally see a telephone crew maintaining a telephone line, but what you may have never considered is that there are literally thousands of individuals working around the clock to maintain our telephone lines.
The telephony system works via a cog and wheel setup. What this means is that every long distance call you make is routed along a telephone wire to a central station, where your voice is routed to another central station, which is finally carried to the person with whom you are trying to communicate. For the call to be maintained, the entire time you are speaking, a space along all the lines in between you and the person y...
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