Yealink VCM38 Administrator's Guide

| Configuring Account Settings | 100
Parameter Description Configuration Method
Gatekeeper Authentication/
Gatekeeper Verify
Enable or disable support for the
gatekeeper authentication.
Note: the default value
is Off. When Gatekeeper
Authentication is enabled, the
gatekeeper can ensure that
only the trusted H.323 devices
are allowed to access the
gatekeeper.
Web user interface
Endpoint
CTP20/CTP18
Gatekeeper Username
Configure the username used for
the gatekeeper authentication.
Note: the default value is blank.
Web user interface
Endpoint
CTP20/CTP18
Gatekeeper Password
Configure the password for the
gatekeeper authentication.
Note: the default value is blank.
Web user interface
Endpoint
CTP20/CTP18
Protocol Monitor Port
Configure the port of the H.323
call signaling.
If you fail to place an IP call to
other party via H.323 protocol,
it may be caused by the ISP
limiting the 1720 port, so you
need modify the protocol monitor
port, and call the far site by
dialing h323:ip:port.
Note: the default value is 1720.
The modification on this port is
only applicable for the H.323 IP
call.
Web user interface

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