User's Manual

720p SIP Multi-unit Video Door Phone with RFID and PoE
HDP-5240PT
59
B. Audio
This page configures audio parameters such as voice codec, speakerphone volume, mic volume and ringer
volume.
Audio Setting
Field Name Explanation
First Codec The first codec choice: G.711A/U, G.722, G.723.1, G.726-32, G.729AB
Second Codec The second codec choice: G.711A/U, G.722, G.723.1, G.726-32, G.729AB, None
Third Codec The third codec choice: G.711A/U, G.722, G.723.1, G.726-32, G.729AB, None
Fourth Codec The fourth codec choice: G.711A/U, G.722, G.723.1, G.726-32, G.729AB, None
DTMF Payload Type The RTP Payload type that indicates DTMF. Default is 101
Default Ring Type Ring sound – there are 9 standard types and 3 user types.
G.729AB Payload
Length
G.729AB Payload length – adjust from 10 – 60 msec.
Tone Standard Configure tone standard area.
G.722 Timestamps Choices are 160/20ms or 320/20ms.
G.723.1 Bit Rate Choices are 5.3kb/s or 6.3kb/s.
Speakerphone
Volume
Set the speaker call volume level.
MIC Input Volume Set the MIC call volume level.
Broadcast Output
Volume
Set the broadcast output volume level.
Signal Tone Volume Set the audio signal output volume level.
Enable VAD
Enable or disable Voice Activity Detection (VAD). If VAD is enabled, G729 Payload
length cannot be set greater than 20 msec.