What is DS3?
DS3 or Digital Signal level 3 is a standardized TDM service offering a bandwidth of 45 Mbps. It may be delivered over SONET fiber optic service or over copper coaxial cable. When delivered over copper, the line is generally referred to as a T3 line.

When to Use Pseudowires
A pseudowire is a virtual "circuit" that emulates a traditional digital telecom service but on a packet switched network. MPLS networks are especially suitable for pseudowires. By using a pseudowire circuit, you can get the point to point connectivity you desire without having to re-engineer your facilities to accommodate a different protocol network.

DS3 for Call Center Telephony
DS3 voice service can support up to 672 simultaneous telephone conversations without blocking. If your call center or large corporate PBX system requires this number of outside lines, DS3 is likely far more cost effective than ordering the equivalent 28 T1 lines.

How DS3 Relates to OC3
DS3 is a digital signal level originally developed to support the copper based T-Carrier digital telephone trunking system. DS3 offers about 45 Mbps of bandwidth . OC3 is a SONET optical carrier standard running at about 155 Mbps. An OC3 link can transport up to 3 separate DS3 services.

What is Fractional DS3 Service?
Fractional DS3, as the name implies, is a fraction of the full DS3 bandwidth of 45 Mbps. Companies order fractional DS3 when they don't need or want to pay for the full bandwidth offered by DS3. Even with fractional DS3, you still need the full coaxial or optical hardware support for 45 Mbps signaling. At low fractional requirements, bonded T1 lines offer a more cost effective solution.

DS3 Prices Now at New Lows!
If you need DS3, T3, OCx or Carrier Ethernet service for WAN bandwidth, wireless backhaul, or PBX telephone systems, this form will find you the best current prices from a suite of competitive service providers. Get instant online quotes right now..

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You may call a Shop for T1 consultant toll free anytime at 1-866-436-7868 and mention Reference #: 1265 to get our best DS3 prices, for business locations only.

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