3. PUBLICATIONS OF THE ITU-T SECTOR 3.3 Handbooks Operation Instructions for the International Telephone Service 1993 These instructions include Recommendation ITU-T E.141 which was withdrawn on 20 March 2003 by Circular 156. MEDIA PRICE CHF LANGUAGE ARTICLE ISBN PAGE NBR EFSA 92-61-04821-8 92-61-04822-6 92-61-04823-4 92-61-04826-9 92-61-04825-0 92-61-04824-2 3382 3381 3383 5961 7387 5130 182 182 182 23.- C R EFS 23.- Network planning 60 Handbook on Transmission Planning 1993 MEDIA PRICE CHF LANGUAGE ARTICLE ISBN PAGE NBR EFS 92-61-04781-5 92-61-04782-3 92-61-04783-1 3214 3213 3215 82 82 82 28.- EFS 28.- Quality of service Quality of Service and Network Performance 2004 The QoS Handbook sets out to specify network service quality parameters that enable services to be offered to customers/users in order to satisfy customers'/users' quality of service expectations. These parameters relate to both implementation and ongoing use of the service. Service quality is also related to all aspects of network assessment and management of the network. MEDIA PRICE CHF LANGUAGE ARTICLE ISBN PAGE NBR 122 130 130 26498 26499 26500 92-61-11001-0 92-61-11002-9 92-61-11003-7 EFS 49.- EFS 49.-