P-202H Plus v2 Support Notes
FAQ
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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
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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
All contents copyright © 2006 ZyXEL Communications Corporation.
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