400HD Series IP Phones
Administrator's Manual 134 Document #: LTRT-11950
21.5 Configuring Echo Cancellation
Note:
• It is strongly advisable to leave the echo cancellation parameters at their defaults and
not to configure different values.
• Contact your AudioCodes representative if you encounter an echo cancellation
related issue.
You can view the following echo cancellation related parameters in the Configuration File
(Management tab > Manual Update > Configuration File).
voip/audio/echo_cancellation/enabled
voip/audio/echo_cancellation/extended_nlp/enabled
voip/audio/echo_cancellation/handset/HPF_mode
voip/audio/echo_cancellation/handsfree/HPF_mode
voip/audio/echo_cancellation/headset/HPF_mode
voip/audio/echo_cancellation/nlp/max_delay
voip/audio/echo_cancellation/nlp/mode