Yealink VC110 Administrator's Guide

Configuring Security Features
267
Defending against Attacks
VCS sometimes receives calls from unknown caller, and the calls may be unable to answer. To
ensure the communications security of the VCS, you can configure abnormal call answering
feature for handling abnormal SIP incoming calls. For incoming H.323 calls, you can configure
Safe Mode Call feature.
Abnormal Call Answering
When destination address of the incoming SIP call does not match local address, the call is
considered to be an abnormal call. You can reject the abnormal SIP incoming call, or answer it
using IP address or SIP account randomly.
The abnormal call answering parameter on the endpoint is described below:
Parameter
Description
Configuration Method
Abnormal Call
Answering
Specifies the account type for
answering abnormal SIP incoming
calls.
 Disabled—reject the abnormal
SIP incoming calls.
 Account Answer—use the SIP
account to answer the
abnormal SIP incoming calls.
 IP Call Answer—use IP
address to answer the
abnormal SIP incoming calls.
Default: IP Call Answer
Web User Interface
To configure abnormal call answering via web user interface:
1. Click on Setting->Call Features.

Yealink VC110 Specifications

General

Digital zoom	4 x
Focus adjustment	Auto
Video codecs	H.264, H.263
Maximum frame rate	30 fps
Supported video modes	720p, 1080p
Video formats supported	H.263, H.264
Supported graphics resolutions	352 x 288, 704 x 576, 1280 x 720 (HD 720), 1920 x 1080 (HD 1080)
Voice codecs	G.711a, G.722, G.722.1, G.722.1C
Line-in	Yes
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Pan range	-100 - 100 °
Tilt angle range	-30 - 30 °
Security algorithms	128-bit AES, HTTPS, SRTP, SSL/TLS
Ethernet LAN data rates	10, 100 Mbit/s
Supported network protocols	TCP/IP (IPv4), DHCP/ stastic IP, HTTP/ HTTPS, SRTP/TLS, IEEE802.1X, LLDP-MED, VLAN
Current	2 A
Power consumption (max)	30 W
Power consumption (typical)	24 W
Storage temperature (T-T)	-20 - 50 °C
Operating temperature (T-T)	10 - 40 °C
Operating relative humidity (H-H)	10 - 95 %

Weight and Dimensions

Depth	151.5 mm
Width	234.6 mm
Height	161 mm
Package depth	318 mm
Package width	432 mm
Package height	274 mm
Package weight	5900 g