Encoding Protocol
◆ Multimedia Protocol: ITU-T、H.323、SIP
Dual stream protocol: H.239
◆ Audio Encoding and Decoding Protocol: G.711A,G.711U,G.722，G.7221，G.722.1.C,G.723，iLBC，AAC，OPUS
Video encoding and decoding protocol: H.264 (supporting the highest High profile)

Video Features
◆ Video resolution: QCIF、CIF、4CIF、480P、D1、720P、1080P25、1080P30、1080P50、1080P60
◆ Static graphics and text: XGA, HD 720P, 640 * 480, 1280 * 1024, 1080P (1-60 frames)
H.239 digital dual stream technology: 1080P static dual stream and active dual stream network auxiliary stream
◆ Support video frequency division; Supports multiple screens, with a maximum of 16 screens per screen

Audio characteristics
◆ Support voice stimulation and screen polling
Echo cancellation (AEC), noise suppression (ANS), automatic gain control (AGC)

The product models include: SE-HC18060T、SE-HC18060T、SE-HC18060T

Network adaptability

◆ Online media: DDN、ISDN、ATM、SDH、VPN、 Satellite dedicated line, ADSL and other lines
Firewall: Spanning routers and firewalls to ensure system security, supporting dual network access
IP network packet loss automatic repair to ensure image clarity

Meeting characteristics
◆ Multiple screen layouts, up to 16 screens per meeting, supporting automatic screen splitting
Subtitles: Chinese and English subtitles
◆ Supports multiple meeting modes: Director mode (WEB backend control meeting), Chairman meeting mode, Broadcast mode, Free mode

Encryption security
◆ Meeting join password, chairman password, administrator password, user password
◆ Supports H.265 signaling and media stream encryption, AES encryption

maintenance management
◆ Maintenance method: Supports remote Telnet, SSH configuration, and maintenance
◆ Maintenance function: Partition management based on user characteristics and regional features
Management functions: large-scale terminal membership management, device management, user management
◆ Software upgrade: local upgrade, remote upgrade

Environmental requirements
Working temperature: 0 ℃~+40 ℃
◆ Storage temperature:- 40 ℃ ~ +55℃
◆ Humidity: 10%~85% (working condition)