Huawei U-SYS IAD208E User Manual page 14

User Manual
U-SYS IAD208E(M) Integrated Access Device
7.2 FAQs ..................................................................................7-9
7.2.1 IAD Port ID Error Leads to Call Failure. ..................7-9
7.2.2 Echo Occurs in PSTN Calls. .................................7-12
7.2.3 Call Fails After Telephone Ringing........................7-13
7.2.4 Monolog.................................................................7-14
7.2.5 Voice Quality Deterioration....................................7-16
7.2.6 IAD Echo ...............................................................7-17
7.2.7 Voice Abnormality..................................................7-20
Appendix A Command List.......................................................... A-1
Appendix B Acronyms ................................................................. B-1
Huawei Technologies Proprietary
vi
Table of Contents