October 10, 2005
Setting up a VoIP network
The following steps are executed to set up a VoIP system
• The first step is to use an analog to digital converter (ADC) in order to convert the analog voice waves to bits.
• The bits are then compressed into a suitable format using any of the protocols available.
• H.323 and SIP are signaling protocols used for the purpose of calling users.
• The sound packets are dissembled and the data is extracted at the receiver’s end in real time.
A card integrated ADC is used for converting analog to digital. The digital data is converted into a standard format that compresses the bulk data thereby increasing speed and also fosters greater acceptance. Pulse Code Modulation and Adaptive differential PCM are two of the compression protocols used.
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