Draytek Vigor2710 Series User Manual page 253

Disable Port: Phone
RTP
After finishing all the settings here, please click OK to save the configuration.
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.
If Phone port is disabled, Phone could not be used anymore.
However, its DSP resource could be used by DECT and
DECT could dial 4 VoIP calls at the same time.
Otherwise, DECT could only dial 3 VoIP calls at the same
time.
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.
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Vigor2710 Series User's Guide