Rainbow1 IP Phone User Manual
1. VAD:Select "Yes" or "No" to enable or disable VAD (Voice Active Detection). If
enable, RTP packets will not be sent when Rainbow1 is mute.
2. CNG:Select "Yes" or "No" to enable or disable CNG (Comfort Noise Generator).
If enable, comfortable noise will be sent to the remote end to let it perceive the
conversation is still active when Rainbow1 is mute.
Jitter Buffer
Rainbow1 is able to buffer incoming voice packets to minimize out-of-order packet
arrival. This process is known as jitter buffer.
1. Type: Choose type of jitter buffer. When choose Fixed, the size of jitter buffer is
fixed. When choose Adaptive, the size of jitter buffer is the sum of Minimum
Delay and the size of RTP packets.
2. Min Delay: The minimum delay of the jitter buffer.
3. Max Delay: The maximum delay of the jitter buffer.
4. Normal Delay: This is used to set fixed jitter buffer which should be between
Min Delay and Max Delay.
4.5.4 Ring
Administer can upload 2 user define ring. The ring file should be wav (8k, 8bit, u-law)
and no larger than 200 KBytes.
4.5.5 Tone
Set the ToneScript for each tone.
For example, MWI Dial Tone:
Frequency1, Frequency2 ;Cadence Section1;Cadence Section2
350@-19: Frequency1 is 350HZ at -19dBm
440@-19: Frequency2 is 440HZ at -19dBm
ATCOM TECHNOLOGY CO., LIMITED
350@-19,440@-19;2(.1/,1/1=2);10(*/0/1+2)
www.atcom.cn
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