NIPPON TELEGRAPH AND TELEPHONE CORPORATION International Procurement Office; Tokyo Opera City Tower 26F 20-2 Nishi-Shinjuku 3-chome Shinjuku-ku, Tokyo 16314 Japan

58 -- SIGNALING TRANSFER POINT(STP) SOL IPO.09-5017 DUE 092997 POC Point of Contact -- NTT America, Inc., Head Office, 101 Park Avenue, 41st Floor, New York, NY 10178, 212/808-2296 also NTT America, Inc., Pacific and Western Division 700 E. El Camino Real, Suite #200, Mountain View, CA 94040, 650/940-6565 WEB: NTT International Procurement Information Home Page, http://wwwipo.nttinfo.ntt.co.jp. This public notice is to request suppliers to provide NTT with general referential information on similar products or technology prior to procurement of the intended product (mentioned below) by NTT. This public notice is also to request that any suppliers wishing to participate as a subcontractor in the procurement program of this product should declare their intentions to that effect. This public notice is not intended to guarantee public notification of procurement of the product. (1) Name:Signaling Transfer Point(STP) (2) Overview:This notice requests information on product which is capable of switching and relaying Signaling System No. 7 (hereinafter referred to as "S. S. No. 7") messages. The product should run as a stand-alone Signaling Transfer Point, which should switch and relay S. S. No. 7 messages only. (3) Contents of RFI:NTT is inviting the following types of information on a product or technology similar to the above-mentioned system. This is not, however, a request for suppliers to provide proprietary and/or confidential information, (a)Technical information -System architecture and configuration -Capacity (number of links installed, number of S. S. No. 7 messages processed, number of configurable link sets, number of Destination Point Codes (DPCs), number of Global Title Translations (GTTs), etc.) -Additional installation units (common part, signaling link interface unit, number of additional links, etc. ) -Connection interface (supporting protocols, etc.) -Signaling link speed -- -NNI(Network Node Interface) -Operating systems(interface, test functional item, information collection item, etc.) -Reliability (MTBF, etc.) -Redundant configuration -Restart conditions -File update conditions and methods -- -Environmental conditions (temperature, humidity, calorific value) -- -Electrical characteristics (power supply, frequency, consumption power, lightning protection, EMC) -Vibration protection -Physical characteristics (appearance, dimensions, durable years, plug socket type) -Other characteristics (screening, etc.) (b)Price -Price of a unit [hardware and software] -Price of each subunit(component) (in case a unit is composed of some subunits) [hardware and software] -Price of each optional component (if applicable) [hardware and software] -Maintenance fee Signaling Transfer Point and workstation for operation shall be included in this price (c)Standard time of delivery after ordering (d)Sales and deployment records (e)Other -Maintenance support -Active proposals likely to become useful for increasing the businesses of NTT (4) Request for Declaration of the Intention of Participating as a Subcontractor:Any suppliers wishing to participate as a subcontractor in the product procurement program of NTT, are requested to supply NTT with the information listed below. After preparing a list of supplied information, NTT will provide the list to suppliers who wish to be provided with it, to those who have responded to the request for supply of the information listed and to those who have purchased the PROCUREMENT DOCUMENTATION relating to procurement of the product. NTT, however, will undertake no responsibilities for any outcomes arising from supply of the list, (i)Name of supplier, (ii)Place of contact (Address, name of the person in charge, telephone number, and facsimile number). (5) Deadline of submission of materials and comments: 3:00 PM, September 29, 1997 Local time of the reception offices (Mail must arrive no later than the above date). (6) Language:Japanese or English***** (0240)

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