10.3 Fixing Common Faults ........................................................................................................................................... 119
10.3.1 The MCU Fails to Register with the External GK. .............................................................................................. 119
10.3.2 A Conference Fails to Start as Scheduled. ........................................................................................................... 120
10.3.3 A Participant Cannot Hear Voice Instructions. ..................................................................................................... 120
10.3.4 Service Data Cannot Be Backed Up .................................................................................................................... 120
10.3.5 Cascaded Sites Fail to Attend a Conference ........................................................................................................ 121
A Performance and Specifications ............................................................................................ 122
B Reference Standards and Certifications............................................................................... 124
C Glossary...................................................................................................................................... 126
D Abbreviations ........................................................................................................................... 131