User manual

8820IP Phone User Manual_ SIP (V1.44)
7
● VAD/CNG save bandwidth
● DHCP：Dynamic Host Configuration Protocol
● PPPoE：PPP Protocol over Ethernet
● DNS：Domain Name Server
● Telnet：Internet's remote login protocol
● FTP：File Transfer protocol
● TFTP：File Transfer protocol (optional)
● HTTP：Hyper Text Transfer protocol
Ø Operating requirements:
● Operation temperature: 0 to 50° C (32° to 122° F)
● Storage temperature: -30° to 65° C (-22° to 149° F)
● Humidity: 10 to 90% no dew
Ø Electric requirements:
● Voltage: 9V DC
● Power: 9W (max.)
● Power adapter: AC/DC input 100-230V，Output 9V 1A
● Network interface:2X RJ-45 Ethernet Connectors
Ø Size：
200 x 180 x 85 mm (L x W x H)