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Codecs Power Over Ethernet (POE) Quality of Service (QOS)

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POE vs. AC Power
What is Power over Ethernet or POE and do I need an AC power supply for my phone? POE technology is a system that sends power over the Ethernet cabling to an endpoint such as a POE enable phone, I
QOS (Quality of Service)
What is QOS and why should I concerned about it? QOS stands for quality of service which refers to control settings for voice, video, and data traffic. QOS provides the ability to assign differe
VoIP Codecs
VoIP phones use codecs to convert analog signals into digital signals. Essentially, codecs encode, and decode speech. There are several different codecs VoIP phones can use, in which they vary in sou
What is the difference between a FXO and FXS port?
A common question asked by many people purchasing TDM cards and gateways is: What is the difference between a FXO and FXS port? FXO stands for Foreign exchange Office. TDM cards and gateways wit