After Business Hours/Emergencies: 1-703-437-5752 The Help Desk services provide a central, single point of contact for customers, serving all in-bound requests: from product feature inquiries and order processing to requests for technical support/network maintenance dispatch.
	The National Technical Assistance Center provides telephone/e-mail based support, converging Help Desk function with the advanced technical expertise of second-level engineering specialists.
	Network Maintenance Network Maintenance Services provide on-site technical support for both routine and emergency service requests. When routine on-site support is requested, the network maintenance team schedules, coordinates, and dispatches technical support to customer premises. Normal request receipt-to-dispatch does not exceed 30 days. When emergency on-site support is required to resolve a problem, the network maintenance support team schedules, coordinates, and dispatches technical support to customer premises. Normal request receipt-to-dispatch does not exceed 24 hours.
	Turn-Up and Test For routine on-site support the turn-up and test team schedules, coordinates, and dispatches technical support to customer premises. Normal request receipt-to-dispatch does not exceed 30 days. For emergency on-site support the turn-up and test team schedules, coordinates, and dispatches technical support to customer premises. Normal request receipt-to-dispatch does not exceed 24 hours.
	Spares Exchange/Logistics Spares Exchange/Repair Logistics Services provide timely and accurate advance unit replacement/exchange/repair management. The NEC America Customer Services' Equipment Depot maintains and administers replacement inventories at customer-specified levels, ensuring that replacement units are on-site within customer-specified service level requirements.
	Training Services Training services encompass a wide range of operations, offering hands-on instruction programs for hardware, technology, operation, testing, troubleshooting and customer-specific requirements. Instruction may be conducted at the NEC America Customer Services Virginia Training Center, or on customer premises. Most courses are product-specific with a strong emphasis on practical (hands-on) experience.
	Documentation Services Documentation Services provide support for all aspects of document development, production and distribution. NEC America Customer Services publishes documentation in multiple formats (paper, Web, searchable CD-ROMs) with linked text and full indexing for comprehensive search capability.

NTAC (National Technical Assistance Center)

Training (Product, Standards)
NEC offers training services that encompass a wide range of operations, offering hands-on instruction programs for hardware, technology, operation, testing, troubleshooting and customer-specific requirements. Instruction may be conducted at the NEC America Customer Services Virginia Training Center, or on customer premises.

Most courses are product-specific with a strong emphasis on practical (hands-on) experience:

Standard Operations, Administration, Maintenance, and Provisioning (OAM&P)
Transmission Payload Interfaces (DS0 through OC-192)
Signal Multiplexing
DWDM (Dense Wavelength Division Multiplexing)
System Turn-up and Integration
Central Office Installation

Course Research and Development
Classroom and Equipment Hosting
Full-Range Instruction (Technology, Operation, Hardware, Standards)
Class Administration
Course Publication and Updating
Course Materials Storage and Staging
Customer Billing Services
Detailed Reporting and Quality of Service Analysis