Products and Services The LTLCS contract is designed to support any DoD requirement relating to the installed base of Nortel Networks switching systems and peripherals.  The following provides a brief description of products/services available.  For complete contract information, call 1-800-359-0058. Depot Level Support Repair and return for SL-100, Meridian 1, and TMS systems  Extended Service Plan (ESP) A comprehensive services package to include remote diagnostics, emergency technical support and depot level support for the Nortel switching systems and peripherals.    Remote Diagnostics/Emergency Technical Support Technical Assistance for any hardware/software problems relating to the Nortel switches. Technical Documentation Product documentation and publications Field Service Support Technical and Engineering expertise is available for Short and Long Term Field Services for LTLCS locations Parts and Materials Parts and Materials are procurable in support of the Nortel Networks platform Software Services/Support/Upgrades Software upgrades and enhancements for DoD Nortel Network switches and peripheral equipment. Training Training classes for DoD or on site personnel for developing the skills required to support the Nortel Networks switching systems. Credit Card Purchases Use of Government Purchase Cards for the procurement of items from the LTLCS contract