Draytek Vigor2930 Series User Manual page 185

RTP
D e t a i l e
D e t a i l e
Click the number link of each port, you can access into the following page for configuring
Phone settings. Below is the sample page for Phone1.
igor2930 Series User's Guide
If you want to enable function of ISDN On-Net/Off-Net, you
have to choose ISDN2-TE.
Call Feature – A brief description for call feature will be
shown in this field for your reference.
Codec – The default Codec setting for each port will be
shown in this field for your reference. You can click the
number below the Index field to change it for each phone port.
Tone - Display the tone settings that configured in the
advanced settings page of Phone Index.
Gain - Display the volume gain settings for Mic/Speaker that
configured in the advanced settings page of Phone Index.
Default SIP Account – "draytel_1" is the default SIP account.
You can click the number below the Index field to change SIP
account for each phone port.
DTMF Relay – Display DTMF mode that configured in the
advanced settings page of Phone Index.
Symmetric RTP – Check this box to invoke the function. To
make the data transmission going through on both ends of
local router and remote router not misleading due to IP lost
(for example, sending data from the public IP of remote router
to the private IP of local router), you can check this box to
solve this problem.
Dynamic RTP Port Start - Specifies the start port for RTP
stream. The default value is 10050.
Dynamic RTP Port End - Specifies the end port for RTP
stream. The default value is 15000.
RTP TOS – It decides the level of VoIP package. Use the
drop down list to choose any one of them.
VoIP Collection Timer – Keep the default setting.
VoIP Collection Timer Length - Keep the default setting.
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