ZyXEL Communications P-2302R Series User Manual
P-2302R Series User’s Guide
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Chapter 8 VoIP Screens
8.5 Quality of Service (QoS)
Quality of Service (QoS) refers to both a network's ability to deliver data with minimum delay,
and the networking methods used to provide bandwidth for real-time multimedia applications.
and the networking methods used to provide bandwidth for real-time multimedia applications.
Enable
Check this box to have your phone give you a message–waiting (beeping) dial
tone when you have a voice message(s). Your voice service provider must have a
messaging system that supports this feature.
Expiration Time
Use this field to set how long the SIP server should continue providing the
message waiting service after receiving a SIP SUBSCRIBE message from the
Prestige.
The SIP server stops providing the message waiting service if it has not received
The SIP server stops providing the message waiting service if it has not received
another SIP SUBSCRIBE message from the Prestige before this time period
expires.
Fax Option
This field controls how the Prestige handles fax messages.
Fax Pass-through
Select this radio button to have the Prestige send fax messages over G.711. The
peer devices must also use G.711.
T.38
Select this radio button to have the Prestige send fax messages over the IP
network as UDP or TCP/IP packets. It provides better transmission quality than fax
pass-through but may have inter-operability problems. The peer devices must also
use T.38.
Call Forward
Call Forward
Table
Select which call forwarding table you want the Prestige to use to block or redirect
calls. You can use a different call forwarding table for each SIP account or use the
same call forwarding table for both.
Caller Ringing
Enable
Check this box if you want to specify what tone people hear when they call you.
The Prestige provides a default tone, but you can add additional tones using IVR.
Caller Ringing
Tone
Select the tone you want people to hear when they call you. You should setup
for more information.
On Hold
Enable
Check this box if you want to specify what tone people hear when you put them on
hold. The Prestige provides a default tone, but you can add additional tones using
IVR. See
On Hold Tone
Select the tone you want people to hear when you put them on hold. You should
setup Tones 1 - 8 using IVR first. See
for more
information.
Back
Click Back to return to the VoIP screen without saving configuration changes.
Apply
Click Apply to save your changes back to the Prestige.
Reset
Click Reset to begin configuring this screen afresh.
Table 23 VoIP Advanced (continued)
LABEL
DESCRIPTION