VoIP phone calls are usually delivered over a carefully-managed network often running Quality of Service (QoS) and the Session Initiation Protocol (SIP).
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.
Voice over IP (VoIP) sends voice data in packets using the Internet Protocol (IP) instead of analog waves as does plain old telephone service (POTS) lines.
Representative Telecommunication Services: We offer VoIP PBX, IP PBX, US termination, SIP gateway, VoIP gateway, data and Internet T1 (DS1) lines (1.5 Mbps bi-directional transfer upload and download rate), fractional T1 (DS1) circuits (256 Kbps to 1,024 Kbps), bonded (load balanced) T-1 (DS1) lines (3 Mbps to 12 Mbps), T3 (DS3) lines (6 Mbps to 45 Mbps), point-to-point private lines, Virtual Private Networks (VPNs), MPLS (Multi Protocol Label Switching), wide area network (WAN) configurations, inbound and outbound call center services, IP PBX and Hosted VoIP solutions, dynamic and channelized integrated T1 (DS1) lines, Primary Rate ISDN (PRI) service, etc.
Ethernet can be used to connect twisted copper pair networks and to connect fiber optic cable networks.
MPLS VPNs use Multiprotocol Label Switching (MPLS) to set up Virtual Private Networks (VPNs) that can isolate data traffic to provide Class of Service (CoS), Quality of Service (QoS), and ease network administration with minimal network overhead. Layer 3 MPLS VPNs (L3VPNs) use BGP, traffic isolation and Virtual Routing / Forwarding (VRF) for network routing and security. MPLS VPNs are more efficient and robust than IPSec VPN, ATM, MPLS L3VPNs.
Ethernet provides a great local access medum to connect LANs to the Internet and is quickly becoming the access method of choice were it is available.
POTS local loop speed is increased by up to 50 times when a DSL modem is attached at the customer premise and a Digital Subscriber Line Access Multiplexer (DSLAM) is connected to the local access loop at the local telephone company central office (CO).
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 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.
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