D-Link DPH-150S User Manual page 62

Codec Priority 1-4 Codec Priority
ILBC mode: ILBC mode
Packet Length: RTP payload length. Selects a length from the pull-down menu, default setting is 20 msec.
DTMF Method: five DTMF Method to select
Outband 2833 Payload Type Value: Outband 2833 Payload Type Value
RTP Timeout: Disconnect a call after not receiving RTP packet for this time value. Assigns the time value from 1 to 100, default setting is 25 seconds.
Voice Quality Poor Threshold: Allowable the maximum percentage of RTP packet loss. Assigns the percentage from 0 to 100, default setting is 20%.
Maximum ICMP Unreachable: Allowable the maximum number of consecutive ICMP destination unreachable responses. ICMP differs in purpose from TCP and
UDP in that it is usually not used directly by user network applications. One exception is the ping tool, which sends ICMP Echo Request messages(and receives Echo
Response messages) to determine whether a host is reachable and how long packets take to get to and from the host. Assigns a number from 0 to 1000, default setting
is 10.
Voice Active Detector: It is used in speech encoding software to determine if the voice being encoded is human speech or background noise. There are three types of
silence suppression: NO CNG, Only G.711 Annex II type, and Codec Specific CN.
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