Howto:Adjusting volume parameters on IP200A in Version 5 Firmware

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This Howto describes the configuration of the volume parameters for user of an IP110, IP200A and IP230.


Applies To

This information applies to

  • IP 110
  • IP 200A
  • IP 230

Version 5 Firmware. For Version 6, see a separate article!

More Information

Problem Details

In some cases the default parameters are not perfectly matching the customer requirements. For those issues you have to rearrange the volume parameters.

At the phone, there are two amplifiers, one analogue and one digital, seperatly adjustable.

Tip! Try to keep down the analogue amplification.


First try the default configuration.

Otherwise change the parameters as described below.

As a good parameter set we prefer the following:

config change INCA_DSP /afe-gain ,,,,176,176

config change /PHONECFG0 /headset 8

Analogue Amplification

The analogue amplification of the speaker output can be changed by pressing the left/right arrow keys in calling mode. This configuration will be kept in nonvolatile memory at the call end and automaticly loaded in the next call. This parameters are stored in PHONECFG0.

The default settings of analogue amplification for handset, headset and handsfree microphone are:

handset – 5 ; headset – 6 ; handsfree – 5

Those values can be changed with:

config change PHONECFG0 /handset 0..8 /headset 0..8 /handsfree 0..8

config activate

To increase the Mic volume of the headset use:

config change PHONECFG0 /headset 8

config activate

Digital Amplification

The IP110, IP200A and IP230 are providing many more options on the DSP as an IP200. To configure these options below add them in this configuration line:

config change INCA_DSP /option parameters

Option Parameters
ring tones
/ring-gain 176, 0, 176, 180, 180
afe gain analog -> digital afe gain digital -> analog output gain tone generator gain saturation gain
notification tones (call waiting...)
/notify-gain 140, 152, 140, 140, 0, 0, 180, 180
call waiting partner & pickup announce multicast reserved reserved tone generator gain saturation gain
DTMF tones
/dtmf-gain 0xc0, 0x7f, 0x7f
output gain - 0x10…0xff frequency 1 level - 0x00…0x7f frequency 2 level - 0x00…0x7f
calling tones (alerting, busy, …)
/tone-gain 0xc0, 0x7f, 0x7f
output gain - 0x10…0xff frequency 1 level - 0x00…0x7f frequency 2 level - 0x00…0x7f
analog front end (handsfree, handset, headset)
/afe-gain 169, 169, 176, 176, 176, 176
handsfree AD/DA handset AD/DA headset AD/DA
handset sidetone gain
/handset-sidetone 5
sidetone gain, 0…100, 0 = max sidetone
headset sidetone gain
/headset-sidetone 5
sidetone gain, 0…100, 0 = max sidetone
ringing through headset
/headset-ring 1
ring through headset volume, 0...12, 0 = off
monitor headset via handset
/headset-spy 0
handset speaker volume, 0...9, 0 = off

The first value of a value pair defines the Analog to Digital gain, i.e. the microphone gain, the second the Digital to Analog gain, i.e. the speaker gain.

The values can vary in the range from 0 to 200 but usually values between 160 and 190 will give the expected results.

Related Articles

Howto:How to adjust the volume parameters on IP110, IP200A and IP230 in Version 6 Firmware

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