Overview Our company has decided to go with the T1 dedicated voice system for our companies communication needs and for companies considering the many alternatives for long distance service, there are two main formats commonly used to transmit long distance voice traffic. The most ubiquitous form of long distance calling is the switched call. These calls originate from regular POTS (Plain Old Telephone Service) lines and are routed through the local telephone company's central switch. …showed first 75 words of 1010 total…

…showed last 75 words of 1010 total…Level 1 service is nearly useless. It takes a standard or protocol like Frame Relay or VPN to provide data transport over a Wide Area Network. The four most common uses of a T1 line include: 1. From one point to another, the is often referred to a Private Line; 2. From one point into a secure carrier network as with Frame Relay; 3. From one point into the public Internet; 4. From one point into a carrier's voice network