P2302HWUDL-P1 Support Notes
All contents Copyright
2007 ZyXEL Communications Corporation.
78
Primary
CompressionType
Select the ZyXEL Device’s first choice for voice coder/decoder.
Secondary
Compression
Type
Select the ZyXEL Device’s second choice for voice coder/decoder. Select
None if you only want the ZyXEL Device to accept the first choice.
Third
Compression
Type
This field is disabled if
Secondary Compression Type
is
None
.
Select the ZyXEL Device’s third choice for voice coder/decoder. Select
None
if you only want the ZyXEL Device to accept the first or second
choice.
DTMF Mode
Control how the ZyXEL Device handles the tones that your telephone
makes when you push its buttons. You should use the same mode your
VoIP service provider uses.
RFC 2833
- send the DTMF tones in RTP
packets
PCM
- send the DTMF tones in the voice data stream. This method
works best when you are using a codec that does not use compression (like
G.711). Codecs that use compression (like G.729) can distort the tones.
SIP
INFO
- send the DTMF tones in SIP messages
STUN
Active
Select this if all of the following conditions are satisfied.
There is a NAT router between the ZyXEL Device and the SIP server
The NAT router is not a SIP ALG.
Your VoIP service provider gave you an IP address or domain name for a
STUN server. Otherwise, clear this field.
Server Address
Enter the IP address or domain name of the STUN server provided by your
VoIP service provider.
Server Port
Enter the STUN server’s listening port, if your VoIP service provider gave
Summary of Contents for P-2302HWUDL-P1 Series
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