Domestic Private Line Services

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Availability

Domestic Data Private Line Service is provided on a state-of-the-art backbone network consisting of approximately 600 POPs, 289 SONET Rings and over 80,000 fiber route miles - making AT&Ts Domestic Data Private Line Services widely available in the U.S.

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Domestic Data Private Line Services are dedicated facilities - available from DS0 through OC192 data transmission speeds - that provide point to point digital data connectivity on an InterLATA basis.

 DS-X Electrical Connections 

DS-X electrical connections provide end-to-end dedicated connectivity that allows customers to use the entire circuit for a single, high-bandwidth application, or to multiplex a DS-1/DS-3 circuit into multiple channels.

• DS0 - (9.6, 56 and 64 kbps)
• DS1 - (1.544 Mbps)
• DS3 - (44.36 Mbps)

SONET Based OC-X Connections

SONET provides a high degree of reliability and uses a portion of the bandwidth to provide management and protection capabilities. AT&T's Intelligent Optical Network uses state-of-the-art technology infrastructure as a common platform to carry (route and restore) all types of traffic.  It enables more efficient maintenance as a result of improved monitoring and testing capabilities and automatic restoration of service in the case of failures. 

• OC-3 - (155.52 Mbps)
• OC-12 - (622.08 Mbps)
• OC-48 - (2.448 Gbps) / Premium Service

Wavelength Services

Using Dense Wave Division Multiplexing (DWDM) based optical technology, Wavelength Services provide a high degree of flexibility and allow customers to use the entire bandwidth of the facility. AT&T's Next Generation architecture uses Optical Cross Connect systems that allow the multiplexing of different wavelengths of light.  This eliminates the need to convert light back to electrical signals, thereby providing improved scalability and reliability, and maintaining SONET ring-like restoration capabilities through Optical restoration.  

• OC-48 - (2.448 Gbps)
• OC-192 - (9.953 Gbps)

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Customers have the option of purchasing this service as Total Service or Baseline.

• Total Service is an option that allows customers to contract with AT&T to provide the entire service - Local Channels at both ends plus the Inter Office Channel between the POPs.
• AT&T can provide the Local Channels either directly (from our local network facilities) or indirectly (by using leased facilities from other Local exchange providers).
• Baseline service is an option by which the customer purchases access independently, then meets AT&T at the POP - AT&T will provide only the Inter Office Channel.

DPL Services can be paired with ACCU-Ring^® Service, Dedicated Entrance Facilities, Ultravailable® Network Service (UVN), or Dedicated SONET Ring Services - These services can be purchased under a total service arrangement or through a variety of other options.   

Multiplexing - Domestic Data Private Line offers a variety of multiplexing capabilities.

• DS1 - M24 multiplexing - 24 DS0 channels from a DS1 (T1) circuit.
• DS3 - M28 multiplexing - 28 DS1 channels from a DS3 circuit.
• OC-X SONET multiplexing - optical multiplexing with drop interfaces down to the DS1 level.

Channelized Circuits

• OC-X circuits can be purchased as clear channel (full pipe) or channelized (multiple separate channels within the circuit).
• OC-12 can be channelized to 4 OC-3's or 12 DS3's optical.
• On channelized circuits, customers can use their own multiplexing equipment or have AT&T multiplex down the channels.
• Premium Service Option offers a 99.999% reliability guarantee, using the AT&T network's auto restoration capability

AT&T Bandwidth Manager (ABM) - ABM is a network management and disaster recovery capability that allows DS0 thru DS1 customers the means to temporarily reroute their data traffic from their primary data center to a recovery site.

Network Management Reports - These reports provide DS1 thru DS3 customers the ability to proactively monitor their network for trouble isolation and resolution.

Diversity and Specified Routing and Avoidance

• Available for DS0 through OC192 Services, where available.
• Provide customer-specified routing and/or avoidance on IOC circuits.

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AT&T's Domestic Data Private Line Services are especially beneficial as business customers increasingly rely on their networks to support revenue-generating applications, such as e-commerce and other platforms. These same services enable you to provide new technologies to your customers, and to better manage your ever-changing needs.

Other benefits of AT&T's Domestic Data Private Line Services include:

• Advanced Network Technology and Infrastructure - Our advanced network technology and state-of-the-art infrastructure positions AT&T Private Line as highly reliable and secure.  Our network utilizes multi-layer restoration via FASTAR, SONET Rings and Mesh architecture. SONET Premium services offer redundant circuits with millisecond restoration times.
• Availability - AT&T Wholesale has the scope, vision and proven performance to develop and deliver the network reach, specialized solutions and robust service portfolio that wholesale customers need to grow their businesses. AT&T continues to update and expand its network with state-of-the-art optical networking technology, allowing carriers to take advantage of our scalable network infrastructure, pricing certainty, availability and high-quality service to seamlessly expand their networks.
• Application Agnostic - Supporting Voice, Data, and Video applications. 
• Premium Services  - The service is powered by AT&T's Intelligent Optical Network, a self-healing network that connects multiple offices and locations on a single network and includes an SLA providing for 99.999 percent availability, as well as proactive network management and maintenance.
• Extensive Service Warranties
  • Credit for service interruptions of one minute or more.
    • Rebate can equal up to 50 percent of the Monthly Recurring Charge (MRC) for the affected circuit (DS1 to OC48).
  • Enhanced SLA on Premium Services (DS3 & SONET).
    • Credit schedule starting at one second of outage and rebates 100 percent of MRC two minutes or more cumulative outage in a given month.
• Network Monitoring and Maintenance  - AT&T's Private Line and SONET maintenance centers are available to customers 24 hours a day, seven days a week.
•  E-Servicing on AT&T BusinessDirect® Platform
  • e-Maintenance.
  • e-Billing.
  • No fees.

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• Carrier Hotel Access Offer

Acquire access to advanced networking solutions with the performance, capacity and diversity that carriers are seeking with competitive pricing for both Data Transport Services, at transmission speeds from DS3 through OC192, and dedicated high-speed Internet access via our Managed Internet Services (MIS), at transmission speeds up to 10 GigE, to select Carrier Hotels throughout the U.S.

• Enhanced Transport Service

AT&T's Enhanced Transport Service is a comprehensive offering for customers that require professional assistance managing communications networks.

• Frame Relay & ATM Services-Domestic

AT&T's Frame Relay and ATM Services enable highly reliable, high-speed transmission of voice, data, video and multimedia applications over a single network by supporting rapidly changing bandwidth demands through ReliaBURST®. IPeFR/ATM addresses the growing importance of IP-based networking and the increasingly distributed communications needs of businesses, while providing the service and security level expected of Frame Relay and ATM.

• International Frame Relay & ATM Services

AT&T's International FR/ATM Service is built on the AT&T Global Network (AGN), which is an extension of the domestic network and supports AT&T’s strategy of quickly delivering global reach to customers by building on their existing platforms.  It provides connectivity in over 56 countries.

• International Private Line Services

International Private Line Service (IPL) provides dedicated bandwidth for data transmission between U.S. and non-U.S. locations, and intra-country in specific Europe and Asia regions. 

• LEC MUX

LEC Mux Total Service provides wholesale customers with the ability to aggregate   DS-1, DS-3 and OC-3 intraLATA special access services to a higher bandwidth using a DS-3 through OC-12 multiplexed facility (Mux) that is located in a LEC serving wire center (SWC).

• Optical Mesh Service

Optical Mesh Network Service allows customers to build and self-administer their own baseline SONET networks with port speeds up to OC48.

• Service To Service Interconnect

Connect a DS-X and OC-X Domestic Data Private Line Total Service circuit  to an optical Mux, a collocation cage in the LEC Serving Wire Center or a node on a Metro SONET Ring,  with innovative pricing solutions that allow you to take greater advantage of your local network.