A compilation of reported defects, their resolutions and minor upgrades to Edition 2 of Version 2 of the TC ETS 300287 Part 1. It includes all approved corrigenda and is intended to be an additional authoritative source of information for implementors to be read in conjunction with the ETS itself. Ref docs: ETS 300287 part 1 (Edition 2) and ITU-T Recommendation Q.771 Supporting Organisations: GPT LIMITED, Siemens ATEA, BT, Lucent Technologies