User guide

Room 1004, Building 2, Phoenix Building, 2008 ShenNan Ave., Futian District,Shenzhen ,China
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Preferred Voice
Codec
GP1260 supports up to 7 different Voice Codec types including
PCMU, PCMA, G.726-32, GSM 6.10, iLBC, Speex, G.729.
Selecting Null disables the corresponding voice codec.
Voice Frames
per Tx
Set the number of voice frames transmitted per packet. The
suggested number is below 3(including 3) in order to reduce
delay. The maximum allowable value is 8. The default value is 1.
iLBC Frame Size Select the frame size of iLBC codec: 20ms or 30ms.
Speex rate
Select the rate of Speex codec: 2.15kbps, 3.95 kbps, 5.95 kbps,
8 kbps, 11 kbps, 15 kbps, 18.2 kbps and 24.6 kbps.
Voice Activity
Detection(VAD)
Enable/disable
VAD
.
Automatic Gain
Control(AGC)
Enable/disable
AGC
.
Acoustic Echo
Cancellation (AEC)
Enable/disable
AEC.
5.2.3. Basic Protocol Settings
Fig 5.2.4 Basic Protocol Settings