VoIP phone calls are usually delivered over a carefully-managed network often running Quality of Service (QoS) and the Session Initiation Protocol (SIP).

An Internet T1 (or T-1 line) is a digital, dedicated local access connection supporting data rates of 1.544 Megabits Per Second (Mbps) that can be channelized into 24 individual channels that each provide 64 Kilobits Per Second (Kbps).

Hosted VoIP eliminates the need to purchase or lease expensive PBX equipment to gain advanced calling features such as voicemail, automated attendants, extension dialing, call forwarding, call park, or call transfer. Hosted VoIP also eliminates the need to obtain service from multiple carriers for local and long distance calling, PBX tie-lines, private lines, etc. The service also includes Internet access and Quality of Service (QoS) to guarantee voice quality all on one invoice. Hosted VoIP offers freedom from legacy equipment costs, eliminates reliance on slow-moving traditional phone companies, multiple bills, and offers flexibility to deliver customized user productivity solutions for your company.

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As business networks face increasing numbers of applications with low latency and high bandwidth demands, MPLS allows network administrators to specify which applications should be prioritizes above others so that data flows across the network is an organized fashion that reflects the relative business importance of various type of data.

Ethernet is the most widely-used data network protocol today. Standardized as IEEE 802.3, the Ethernet protocol is used for local area networks (LANs) at the Layer 1 (Physical Layer) and Layer 2 (Data Link Layer) of the OSI networking model.

Digital Subscriber Line (DSL) is a voice and data access service that supports both voice and data communication across a copper plain old telephone serivce (POTS) line and significantly increases the digital capacity of analog POTS access lines.

High-speed Microwave, 3G, and Satellite Wireless Internet service connects subscribers who are in remote locations or unique locations where DSL or other types of Internet access is unavailable. All you need to connect to wireless Internet is an unobstructed view of the provider Internet transmitter - receiver or satellite.

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MPLS can be used to facilitate layer 3 IP VPNs, layer 2 VPNs, Quality of Service (QoS), Class of Service (CoS) and to guarantee Service Level Agreements.