User manual

AT820

AT820 Series

Series

Series User

User

User Manual

Manual

ATCOM TECHNOLOGY CO., LIMITED www.atcom.cn

�

Supports different level user management .

�

Configuration via web, keyboard .

�

Firmware and configuration file auto provision .

�

Firmware and configuration updating via

HTTP,

FTP and TFTP .

�

Support system log and call log .

1.6 Protocol

� IEEE 802.3 /802.3 u 10 Base T / 100Base TX .

� PPPoE ： P oint to Point P rotocol over Ethernet .

� DHCP: Dynamic H ost C onfiguration P rotocol

� SIP RFC3261, RFC3262, RFC3263, RFC3264, RFC3265, RFC2543, RFC3489,

RFC3842, RFC3515, RFC2976, RFC3428, RFC2327, RFC2782, RFC1889 .

� TCP/IP: Transfer Control Protocol/Internet Protocol .

� RTP: Real-time Transport Protocol .

� RTCP: RTP Control Protocol .

� SRTP: Secure Real-time Transport Protocol.

� VAD/CNG: Voice Activation Detection/Comfort Noise Generator .

� DNS: Domain Name Server .

� TFTP: Trivial File Transfer Protocol .

� HTTP:Hypertext Transfer Protocol .

� FTP: File Transfer Protocol .

1.7 Compliant Standard

�

CE ： EN55024, EN55022 .

� Comply with ROHS in EU .

� Comply with ROHS in China .

�

Explanation: The letter “ e ” is the first letter of “ environment ” and “ electronic

”

. The

rim is a round with two arrows, stands for recycles. The number 20 stands for the

years of environment protection. Please note the years of environment protection

is not discarding year nor usage life.