38 LS/LGCX, 4022 Hilltop Rd Ste 211, Tinker AFB OK 73145-2713

D -- LOCAL EXCHANGE SERVICE FOR O'HARE IAP ARS IL 60666-5020 DUE 033197 POC Lily Block, Contract Specialist, 405-734-9297 This is a sources sought market survey synopsis for vendors certified by the Illinois Public Utility Commission to provide local commercial communications services. The primary service requirement is local access trunking, switching, commercial business lines, transport channel services, and related functions at O'Hare ARS located in Cook County, Illinois. These local exchange services do not include residential or business services for non-government entities or customers such as residential service for service members and their families or non-government contractors collocated with O'Hare ARS. O'Hare ARS, Chicago is presently serviced by exchange 773-825-xxxx provided by Centel -Illinois and Ameritech. O'Hare ARS currently uses 4,000 direct-in-dial numbers within 773-825-xxxx. The local exchange service shall include city trunks interfacing to the Government digital switching systems, Nortel SL-1, equipped with business centrex software and features. The current quantity of direct in-dial, direct out-dial and two way exchange access trunks serving the O'Hare ARS is 80. These city trunk quantities may expand due to additional service requirements. Local calling access for O'Hare ARS is needed to the exchange located in Chicago, Illinois and its metropolitan areas. Local exchange services are required to enable Government users to access the following: local exchange areas, intra-LATA exchange areas, and interconnection with inter-LATA exchange carriers. Access to the local exchange shall include Emergency 9-1-1 services and functions. The vendor shall provide access to directory number information; e.g., NPA-555-1212, and/or 411. The vendor shall provide access to operator services to provide subscriber line verification or barge-in, extend to long distance providers, and assistance with other exchange access functions. The vendor shall provide number portability for the current exchange DID numbers and directory number. Requirements for new hundred DID numbers shall be within the existing NXX until exhausted. The vendor shall have the ability to acquire additional DID station numbers. Interconnection of the local exchange service shall be provided by analog and digital trunks. Trunking connections for 4-wire E&M Type 1 or 2-wire dial repeating, digital (1.544 Mbps) to provide E&M or ISDN PRI, and foreign exchange/local exchange loop and/or ground start are required. The vendor shall provide analog business lines, digital business lines, and ISDN BRI digital line terminations. The vendor shall provide transport channel services within the local exchange area at data rates expected to range from low speed analog voice bandwidth to conditioned data channels supporting 56 Kbps, and digital stream of DS1 or ISDN PRI. Migration to next higher transmission rates (DS-3) is an expected growth plan. Transport services may be provided to the designated demarcation point or may be extended to the end users. Termination of lines and trunks (analog and digital facilities) shall meet via network loss constraints to maintain an acceptable engineered transmission level to the user. Reliability of facilities and equipment are concerns of the vendor. The Government may require periodic traffic study data. The quality of these channels shall meet or exceed industry standards for maximum noise levels, loss and echo. Demarcation of exchange access lines, private line channels, and trunks shall be at the switching system room. Termination of digital circuits shall permit craft personnel to access by patch cords. Demarcation of business lines shall be on the distribution frame including ISDN BRI U-Loop. The vendor shall provide and arrange billing in monthly increments itemized by pilot directory number, by service type and area codes. Billing shall be provided in paper format and magnetic media formatted for sorting and printing by the Government to distribute to tenants for verification and certification. The billing shall be separable by grouping of directory numbers or by individual directory numbers for distribution by these users. Firms interested in providing local exchange services for O'Hare ARS are requested to provide a summary of technical and financial information concerning their certifications (by type; i.e., facility or non-facility based by service area), applicable tariffs, capabilities, experience (current services or contracts to include points of contact), hardware assets and access to switched services and corporate background in the telecommunications industry. Offerors must provide specific information as to how the services listed in this synopsis would or could be satisfied. Only firms submitting acceptable technical and financial statements or resumes will be solicited or considered for competitive proposals or evaluation and selection under multiple terrified services. Responses should be limited to approximately 25 pages or less. All replies should be forwarded to the contracting officer no later than 31 Mar 97. Sources Sought announcements are placed on the 38EIW Homepage, https://www.eiw38.af.mil/contracting/lgcx/lgcx.htm under the Specialized Contracting Section, CSA Branch. All questions and replies should be forwarded to the Contracting Officer 38LS/LGCX, Attn: Ms Cynthia Obermeyer, 4022 Hilltop Road, Suite 207, Tinker AFB, OK 73145-2713, Telephone: (405) 734-9297, Fax: (405) 734-9537, or e-mail: cindy.obermeyer@servera.eiw38.af.mil (0052)

Loren Data Corp. http://www.ld.com (SYN# 0048 19970225\D-0012.SOL)