Yealink VCM38 Administrator's Guide

| Configuring Call Settings | 218
Configuring Ringback Timeout
The ringback timeout defines that if the remote party does not answer your call within specific time, the call
will be hung up automatically.
Procedure
1. On your web user interface, go to Setting > Call Features > Outbound Call Settings.
2. Configure and save the following settings:
Parameter Description Configuration Method
Ringback Timeout(30-240)
Configure the ringback time
(seconds).
Note: the valid value is from 30
to 240 and the default value is
180.
If it is set to 180, the call will
be hung up automatically if the
remote party does not answer
the call within 180s.
Web user interface
Configuring the Auto Refuse Timeout
The auto refuse timeout defines a specific period of time after which the system will stop ringing if the call
is not answered.
Procedure
1. On your web user interface, go to Setting > Call Features > Outbound Call Settings.
2. Configure and save the following settings:
Parameter Description Configuration Method
Auto Refuse Timeout (30-240)
Configure the duration time
(seconds) in the ringing state.
Note: the value is from 30 to
240. The default value is 120.
If it is set to 120, the system
will stop ringing if the call is not
answered within 120s.
Web user interface
Auto Answer
You can allow the system to answer incoming calls automatically in the idle mode or during the call.
• Answering a Call Automatically When not in a Call
• Answering Multiple Calls Automatically

Yealink VCM38 Specifications

General

Type	Conference microphone
Noise reduction	Yes
Microphone frequency	100 - 16000 Hz
Microphone sensitivity	-45 dB
Microphone pick-up range	6 m
Number of microphone arrays	8
Maximum sound pressure level (1kHz)	100 dB
Device interface	RJ-45
Connectivity technology	Wired
Maximum operating distance	40 m
Mounting type	Ceiling
Product color	Silver
Operating temperature (T-T)	0 - 40 °C
Operating relative humidity (H-H)	5 - 90 %
Number of products included	1 pc(s)
Harmonized System (HS) code	85181000
Power source	DC/PoE
Sustainability certificates	CE, Federal Communications Commission (FCC), REACH, RoHS

Weight and Dimensions

Width	127.3 mm
Height	66.3 mm