3.1.8 Voice/FAX

Packet Sampling Time (G.729A)

Specifies the time interval between measurements (samples) of sound data during a conversation. The smaller this number, the higher the quality of the transmitted sound.

Value Range

10 ms, 20 ms, 30 ms, 40 ms, 50 ms, 60 ms

Voice Activity Detection for G.711

Enables the use of the Voice Activity Detection feature for the G.711 CODEC. This feature conserves bandwidth by detecting silent periods during a call and suppressing the packets of silence from being sent to the network.

Value Range

Disable, Enable

FAX Sending Method

Specifies the method of transporting the fax signal.

Value Range

G.711 Inband, T.38

Maximum Bit Rate

Specifies the maximum bit rate of the fax signal.

Value Range

No Speed Limit, 2400 bps, 4800 bps, 7200 bps, 9600 bps, 12000 bps, 14400 bps

FAX Detection Ability

Enables the use of the FAX Detection Ability feature. This feature enables end-to-end fax signal relay when the other party prefers a CODEC other than G.711. This feature functions only if the other party supports G. 711.

Value Range

Disable, Enable

DTMF

Specifies the method to transport DTMF tones.

Value Range

Inband, Outband (RFC2833)

Payload Type

Specifies the payload type of RFC2833 for DTMF tones.

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Programming Manual for Virtual SIP Trunk Card

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Panasonic KX-TDE100 Packet Sampling Time G.729A, Voice Activity Detection for G.711, FAX Sending Method, Maximum Bit Rate