Datasheet

Setting voice services
Vpacket 5100/6100 Series Web Interface Manual 39
• Echo Canceller Tail Length Enables: disables the echo cancelling services (the maximum
delay in milliseconds between the issuing of a master signal and receiving the resulting echo)
• Voice Activity Detector Enables: disables the Voice Activity Detector (VAD) which
monitors the passage of voice traffic onto the network
• Voice Activity Detector Threshold Range: 0–10 with an Adaptive option
• Silence Detect Time: Sets the duration for declaring silence detection (using VAD) for a
coding profile. Range: 0-2400 milliseconds; 0 means disabled
• Silence Detect Level Range: Negative 40–Negative 50 (-40, -41...-50).
• TX Voice Info Field: Transmit Voice Information Field (in bits) with available choices: 80,
160, 192, 240, 320, 384, 400, 480, 560, 640, 720, 800, 960, 1200, 1280, 1600, 1920.
• RX Voice Info Field: Transmit Voice Information Field (in bits) with a range of 80, 160,
192, 240, 320, 384, 400, 480, 560, 640, 720, 800, 960, 1200, 1280, 1600, 1920
• Nominal Delay: Negative 40–Negative 50 (-40, -41...-50)
• Maximum Delay: Negative 40–Negative 50 (-40, -41...-50)
• Adaptive Playout Enables or disables the use of Nominal and Maximum delay values for
managing the amount of jitter in the traffic received from and transmitted to the network
• Row Status Codec status choices: Active, NotInService, NotReady, CreateAndWait,
CreateAndGo, Destroy
To edit an H.323 codec
1. Click settings and then voice.
2. Select Codec Profile from the “Select Telephony Configuration:” dropdown menu.
3. Click edit in the far-left column beside the listing you want to modify. The Codec Profile-Edit
window appears (Figure 4-12).
4. Change the information in the codec profile as appropriate.