MPLS VPNs transport layer 2 packets across the network and encapsulate transport protocols such as ATM, Ethernet, and SONET, allowing MPLS networks to seemlessly upgrade and replace legacy layer 2 networks without requiring network reconfiguration or using protocols higher than layer 2. In comparison, layer 3 VPNs must use the layer 3 Internet Protocol (IP).

In a T1, each of the twenty-four 64 Kbps channels can connect to the Internet individually or the Internet T1 can be configured to aggregate all of the 24 channels into one large 1.544 Mbps concatenated channel.

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.

The ADSL downstream receiving rate from the Internet usually varies from 1.5 to 9Mbps while the upstream sending rate usually varies from 16 to 640 Kbps.

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Multiprotocol Label Switching (MPLS) can be used to create intelligent networks that support advanced data packet management over a single network while saving money. MPLS can be integrated seamlessly over any existing infrastructure such as IP, Frame Relay, ATM, or Ethernet and end users with different types of local access circuits may be joined together on the same network without changing their current access protocols.

The wide-spread use of Ethernet has reduced the cost of Ethernet switches and also the space required to deploy Ethernet networks either via twisted pair copper or fiber and virtually all computer manufacturers include an Ethernet card as a standard component on Personal Computer (PC) motherboards which eliminates having to install an Ethernet card as a peripheral device.

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.

Telecom Links mission is to be a comprehensive source of telecommunications information on the World Wide Web.

MPLS makes it easier to manage network for quality of service (QoS) because packets can be prioritized by business importance. For example, Voice over IP (VoIP) can be prioritized over email and web browsing packets.