http://www.articleheaven.net en-us editorial@articlealley.com IP telephone stations are the most recent type of phone stations on the market. With excellent voice quality and decreased infrastructure and maintenance costs, IP PBXs and IP phone stations are the fastest growing segment of the voice communications mar... http://www.articleheaven.net/features-of-ip-telephone-stations-2015086.html 08th February 2011 The T1 or Primary Rate Interface (PRI), in simple terms, describes a digital telephone line that carries a large volume of voice calls through a single circuit. It is the typical method in which larger offices with considerable call volumes receive teleco... http://www.articleheaven.net/digital-trunking-and-the-t1-pri-protocol-1938194.html 07th January 2011