700 West Mineral Littleton, CO 80120

Customer Programmable Ring Cycle

Disclosure Date:	September 19,1997
Summary:	This document provides a technical description of Customer Programmable Ring Cycle that allows access to U S WEST's Communications Ring Control Gateway. The Customer Programmable Ring Cycle allows customers of Call Forwarding Don't Answer or their agents to change the ring cycle of their telephone numbers. Connection to the Ring Control Gateway is via dedicated digital data service from a customer of Call Forwarding Don't Answer or their agent through a TCP/IP interface.
Location and Timing of Deployment:	This feature is not available in all Qwest Communications central offices, therefore availability of Customer Programmable Ring Cycle is restricted at this time. See the attached list for office availability and deployment.
Interface Requirements:	Technical interface requirements can be found in the following Qwest Publication: PUB 77395 Qwest Communications, Inc. Technical Publication, Programmable Ring Cycle, Issue A, September, 1997 $62.00 PUB 77204 Qwest Digital Data Service Product Description, Applications, and Interface Combinations, Issue C, April, 1997. $62.00 PUB 77312 Qwest Digital Data Service Technical Description, Issue E, April 1997. $48.00 Additional documentation relied upon for this service include: American National Standards Institute Documents ANSI T1.223-1991 Information Interchange – Structure and Representation of Network Channel (NC) and Network Channel Interface (NCI) Codes for the North American Telecommunications System. $24.00 ANSI T1.410-1992 Telecommunications - Carrier-to-Customer Metallic Interface -Digital Data at 64 kbit/s and Subrates. $55.00 Bellcore Documents SR-STS-000307 NC/NCI Code Dictionary. Issue 8, April, 1997. $450.00 American National Standards Institute documents can be obtained by contacting: American National Standards Institute Attn.: Customer Service 11 West 42nd Street New York, NY 10036 Phone: (212) 642-4900 Fax: (212) 302-1286 ANSI has a catalog available which describes their publications. Bellcore documents can be obtained from: Bellcore Customer Relations 8 Corporate Place, PYA 3A-184 Piscataway, NJ 08854-4156 Fax: (908) 336-2559 Phone: (800) 521-CORE (2673) (U.S. and Canada) Phone: (908) 699-5800 (Others) Qwest Technical Publications can be obtained from: Faison Office Products Company Suite 200 3251 Revere St. Aurora, CO 80011 Phone: (800) 777-3672 Fax: (303) 340-190
Service Description:	Customer Programmable Ring Cycle allows customers of Call Forwarding Don't Answer or their agents to change the ring cycle of a specific line. The customer will access the Qwest Communications network by establishing a private line digital data circuit to U S WEST's Communications Ring Control Gateway.
Additional Information:	For additional information in conjunction with the Customer Programmable Ring Cycle Service, please contact: Mona Klein Qwest Information Technologies, Inc. 1475 Lawrence St. Rm. 600 Denver, Colorado 80202 Phone: (303) 595-2811 Fax: (303) 592-6259
NOTE: This announcement has been released in accordance with the FCC Rule 51.333(a), Certification of Short Term Public Notice.

Questions regarding Network Disclosure information can be referred to the individual listed on the Disclosure Announcement, or contact Jamal Boudhaouia, CenturyLink's Manager of Network Disclosures at Jamal.Boudhaouia@CenturyLink.com or (303) 707-8561.