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P-202H Plus v2 Support Notes
FAQ.................................................................................................................................... 6
ZyNOS FAQ.................................................................................................................. 6
1. What is ZyNOS?................................................................................................. 6
2. How do I access the P-202H Plus v2 SMT menu? .................................... 6
3. What data compression protocol does the P-202H Plus v2 support? 6
4. What is the default console port baud rate? Moreover, how do I
change it?................................................................................................................. 6
5. How do I upload the ZyNOS firmware code via console?...................... 6
6. How do I upgrade/backup the ZyNOS firmware by using TFTP client
program via LAN?.................................................................................................. 7
7. How do I upload ROMFILE via console port?............................................ 7
8. How do I backup/restore SMT configurations by using TFTP client
program via LAN?.................................................................................................. 7
9. What should I do if I forget the system password? ................................. 8
10. What is SUA? When should I use SUA? ................................................... 8
11. What is the difference between NAT and SUA?..................................... 8
12. How many network users can the SUA support?................................... 9
13. How do I capture the PPP log in my P-202H Plus v2?........................... 9
14. Why do we need the input filter in menu 3.1 and call filter in menu
11.1? .......................................................................................................................... 9
15. How can I protect against IP spoofing attacks?..................................... 9
16. What is DNS proxy?...................................................................................... 10
17. What is a Nailed-up Connection and when do I need to use it?....... 11
18. What are Device filters and Protocol filters?......................................... 11
19. Why can't I configure device filters or protocol filters?.................... 11
20. The P-202H Plus v2 supports to upload the firmware and
configuration files using FTP, but how do I prevent the outside user
from 'FTP' my P-202H Plus v2?........................................................................ 11
Product FAQ.............................................................................................................. 12
1. How do I collect EPA trace? Moreover, how do I read it?.................... 12
2. Can I prevent the dial-in user from occupying two channels?........... 12
3. How does 'Dial Prefix to Access Outside Line' in Menu 2 (European
firmware) work?.................................................................................................... 12
4. What supplemental phone service does P-202H Plus v2 support..... 12
5. How do I do call waiting/call hold/call retrieve?...................................... 13
6. Why doesn't call waiting work as expected?........................................... 13
7. How do I do three way calling?.................................................................... 13
8. How do I remove a party from the three-way calling?........................... 13
9. How do I do call transfer? ............................................................................. 14
10. How do I blind call transfer? ...................................................................... 14
11. What is call forwarding and how do I do it?........................................... 14
12. How do I suspend/resume a phone call (terminal portability)?........ 15
13. What is reminder ring? ................................................................................ 15
14. Why doesn't my answering machine on POTS port stop recording?
................................................................................................................................... 15
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