6
set up the port range out of which the RTP ports will be dynamically taken,
specify the start port and end port number, respectively, in these fi elds.
for example, 160 in the above screenshot. This option enables the phone
to support quality of service (QOS) in a network, if all of the involved
network parts also support QOS.
DTMF here The default setting is 101. This can be an arbitrary 8-bit value
102 • Settings
[
3 6 0 U
S N O M
Dynamic RTP port start, Dynamic RTP port stop: If you want to
Type of Service (TOS): You can set up the TOS value in this fi eld,
DTMF Payload Type: Set up the payload type for Out-of-Band
M
V 1 . 0 0 ]
S E R
A N U A L