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Audio settings, 5 voip parameters, Udio – Zoom X6v VoIP User Manual

Page 19: Ettings, Voip parameters, 5voip parameters

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5

VoIP Parameters

You can use the VoIP > Advanced VoIP Setup > VoIP Parameters menu to configure various common aspects
of the VoIP Subsystem device. The menu items include:

Audio Settings

RTP Protocol Parameters

SDP Protocol Parameters

SDP Audio Codec Names

Audio Settings

Parameter

Description

Default

Preferred Codecs

Lets you arrange the Codec names in
order of preference. These entries must
agree with the

Preferred Codecs

specified

on the My VoIP Account page.

G.711u, iLBC,
G.729B,
G.711A

Silence Suppression Enable

Prevents audio frames from being sent
during periods of silence, thus reducing
the network traffic necessary for making
calls. (Note: This feature is useful only
with audio codecs that support silence
suppression.)

Disabled

Echo Canceller Enable

If enabled, the G.168 echo canceller is
applied to all calls.

Enabled

Echo Canceller Mode

Sets the echo canceller operating mode.

Do not change the
setting, which is 2.

Echo Canceller Tail Length (ms)

Specifies length of echo canceller in msec 16

Fax Transmission Mode

Control for FAX processing method: Off,
or Passthrough (μLaw or ALaw)

Off

DTMF Transmission Method

Control for DTMF processing method: Off,
Audio Passthrough, RTP Out-of-band,
SIP Out-of-band

RTP Out-of-band

iLBC High Rate Enable

Enables 15.2 kbps / 20 ms frames. When
disabled, 13.33 kbps / 30 ms frames.
Many implementations negotiate 13.33
kbps / 30 ms only.

Disabled

Chapter 5: VoIP Parameters

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