Model Atcom 840P
VoIP Sip 2.0 (RFC3261) and other related SIP RFCs 4 SIP Accounts STUN Support SIP domain, SIP authentication(none, basic, MD5),NDS Support inbound audio, RFC2833 and SIP info , DTMF transmission way SIP Call Forward, Call transfer, Call hold, Call waiting, 3-way conference, Pickup, Redial, Call Park Support DND(Do Not Disturb), Blacklists, Auto answer IP to IP call Phone book with 200 records, 200 dialed call, 200 answered call, 200 missed call Support HTTP, FTP, TFTP updating the configuration Support multi language Support BLF Support SMS
Voice G.711A/u, G722, G.723, iLBC, G.726-16, G.726-24, G.726-32, G.726-40, G.729, Lin-16 Codec G.168 compliant 96ms echo cancellation Jitter Buffer VAD AEC AGC CNG Support HD voice Support HAC
Networking LAN/PC: Support bridge mode LAN support DHCP,Static and PPPoE Support VLAN(DATA VLAN and VOICE VLAN) Support L2TP VPN without IPSec Qos support diffserv for SIP signaling and voice stream( RTP&RTCP) Support ToS Support SNTP client
Management Support safe mode and firmware updating under safe mode Support different level user management Configuration via web, keypad Firmware and configuration updating via HTTP , FTP and TFTP Support system log Support auto provision for configuration file upgrade
Hardware LCD: 128×64 dot matrix FLASH: 8M RAM: 16×16M LED indicator:1 Status Light , 4 line indicators, 9 BLF indicators, 1 voicemail indicator, 1 headset indicator, 1 mute indicator, 1 hand free indicator Extension Module: 20 BLF keys on each extension module. Maximum support 5 modules Soft key*4
Interfaces Power: Output Power: 12V, 500mA DC LAN: 1*RJ45 PC: 1*RJ45 Extended interface for BLF module*1 Headset jack :1* RJ9 Handset jack :1* RJ9
Electric requirements Output Power: 12V, 1000mA DC
Compliance Certificates CE: EN55024 EN55022