User's Manual

GXV3275 User Manual
GXV3275 WEB GUI
Grandstream Co., Ltd
Software Version：1.0.0.9 Document Version：0.2
155
DTMF Payload
Type
Species the DTMF payload type using RFC2833. The default is 101.
Preferred Vocoder
45 different vocoder types are supported on the phone, including G.711 A-law
(PCMA), G.711 U-law (PCMU), G.722, G.726-32and iLBC.
Users can configure vocoders in a preference list that is included with the same
preference order in SDP message.
Support RFC5168
If set to “Yes”, the video call would support RFC5168. The default setting is "No".
H.264 Image Size
Supports 720P、4CIF、VGA 、CIF、 QVGA、 QCIF.
Video Bite Rate
Configure the bite rate for video call. The default setting is "2048kbps ".
SDP Bandwidth
Attribute
Standard, Media Level, Session Level, No
H.264 Payload
Type
Input H.264Payload value. The range is 96-127. The default setting is 99.
SRTP
The default setting is "Disable". Users could choose force SRTP execution or
execute SRTP with negotiation mode.
Silence
suppression
Controls the Silence suppression/ Voice activity detection（VAD）.If set to “Yes”, the
phone will send a small quantity of VDA packets other than the voice packets when
no voice stream detected during a call. The default setting is "No".
x-PDFDivision