DSP Setting
Default Voice Codec
G.729 8k
G.711u 64k
G.711a 64k
Out Volume(-14~14)
-14
-13
-12
-11
-10
-9
-8
-7
-6
-5
-4
-3
-2
-1
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
In Volume(-14~14)
-14
-13
-12
-11
-10
-9
-8
-7
-6
-5
-4
-3
-2
-1
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Receive Buffer
Small
Medium
Large
Voice Frame per Packet
Small
Medium
Large
DTMF RELAY
disable
inband(RFC2833)
outband
DTMF Payload( 0 ~ 127 )