Digital telephony News
December 13, 2013
Greenlining Institute reports a digital phone service transition from the PSTN could result in a lack of reliability, affordability and 9-1-1 access.
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Network coding is a method of optimizing the flow of digital data in a network by transmitting digital evidence about messages... (Continued) Continue Reading
To see the relationship between T-carrier, E-carrier, and DS0 multiples, see digital signal X. The T-carrier system, introduced by the Bell System in the U.S. in the 1960s, was the first successful system that supported digitized voice transmission. Continue Reading
Serial Digital Interface (SDI) is a standard for digital video transmission over coaxial cable. Continue Reading
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Our unified communications expert explains what exactly voicemail is and how it works in this Ask the Expert response. Continue Reading
Our IP telephony expert details the differences between IP phones and digital phones, identifying their unique capabilities and noting the tasks for which each are best suited. Continue Reading