Draytek 2800 Series User Guide

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Vigor2800 Series User’s Guide 
112
Payload Type (rfc2833) – Choose a number from 96 to 127, 
the default value was 101. This setting is available for the 
OutBand (RFC2833) mode. 
Disallow VoIP to ISDN 
Calls with the Following 
Prefixes 
Set the prefix of the phone number to forbid the user dialing 
through VoIP to ISDN. All the phone number with the 
prefix specified here will not be allowed to connect through 
the router. If a user dials the number by force, the router will 
disconnect it automatically. The figure that you can type in 
this field is limited one to eleven with digits from zero to 
nine. 
 
3
3
.
.
9
9
.
.
4
4
 
 
S
S
t
t
a
a
t
t
u
u
s
s
 
 
On VoIP call status, you can find codec, connection and other important call status for VoIP 
1/2 and ISDN1/2 ports.   
 
Refresh Seconds 
Specify the interval of refresh time to obtain the latest VoIP 
calling information. The information will update immediately 
when the Refresh button is clicked. 
                         
 
Port 
It shows current connection status for the port of VoIP1, 
VoIP2, ISDN1 and ISDN2. The ISDN1/2 appears only when 
the router is equipped with ISDN interface. ISDN1 means D 
channel for the physical ISDN port; ISDN2 means D+2B 
channel for the physical ISDN port. Be aware that ISDN1/2 
port is available for the users living in Europe and using Vigor 
2800VGi only. For other users, only the status for VoIP1 and 
VoIP2 will be shown in this page. 
Status 
It shows the VoIP connection status. 
IDLE - Indicates that the VoIP function is idle. 
HANG_UP - Indicates that the connection is not established