ZyXEL Communications P-2000W V2 - Manual (Page 8)

P2000W V2 Troubleshooting Guide
All contents copyright (c) 2005 ZyXEL Communications Corporation.
1. Power off the device.
2. Keep hold down the
Power
and
Left-Selector
button until you
see <<Load Default>> <<Factory>> words in the LCD screen than release it.
3. Now all setting has been reset to default.
16. What is the P2000W V2 supported Codec?
P2000W V2 supported codec are
G.729 voice codec
G.711u-law voice codec
G.711a-law voice codec
17. What is the P2000W V2 voice codec packet
size and packet interval relationship?
P2000W V2 Voice Frame per Packet V.S.
Frame Size
G.729 codec
Small Medium Large
RTP Payload 20 byte 32 byte 60 byte
Voice Packet Size 74 byte 86 byte 108 byte
Packet Interval 20 ms 30 ms 60 ms
G.711 u/a-law codec
Small Medium Large
RTP Payload 240 byte X 480 byte
Voice Packet Size 294 byte X 588 byte
Packet Interval 30 ms X 60ms
Note:
1. Voice packet size = Ethernet header (14byte) +IP header (20byte) +UDP header (8byte)
+RTP header (12byte) +RTP payload. Therefore voice packet size=54byte+RTP payload
size.
18. Can P2000W V2 support outbound proxy?
P2000W V2 can support outbound proxy.