Sip Voip Phone Escene ES280-P 2 SIP accounts PK T27 T19P

Phone Features                                                     
2 SIP accounts, Hotline
Call hold, Call waiting, Call forward, Call return
Call transfer (blind/busy/ask)
Caller ID display, Redial, Mute, DND
Auto-answer, 3-way conferencing
Speed dial, SMS, Voicemail
Message Waiting Indication LED
Tone scheme, Volume control
Direct IP call without SIP proxy
Ring tone selection/import/delete
Phonebook (local up to 1000 entries) 
Black list, Hand-free indicator.
Call history: dialed/received/missed (100 -entries); One-key back (C)
Multi-Language (2aB/abc/ABC/123)
Soft keys programmable, Supports PC control
Support switching SIP server & Second server

Advanced Features
XML Phone Book search and input & output
Enterprise phone book(800 entries)
LDAP phone book
Aution URL & Active URI
Functions customizable keys
XML Browser

IP PBX System Integration
Busy lamp field (BLF), BLF list
Bridged line appearance (BLA)
DND & Forward synchronization
Intercom, Paging, Music on hold
Call pickup, Dial Plan, Call recording

Codes and Voice Features
Wideband Codec: G.722
Narrowband codec: G.711μ/A, G.723.1
G.726, G.729AB,iLBC
VAD, CNG, AEC, AGC, Full-duplex, 

Security
VLAN QoS (802.1pq),SRTP,TLS
Phone lock for personal privacy protection
Admin/User 2-level configuration mode , LLDP, CDP
L2TP VPN tunneling protocol - added

Network Features
SIP v1 (RFC2543), v2 (RFC3261)
SIP connection: Proxy  mode & Peering Points mode;

DNS SRV (RFC3263); 

SRTP voice encryption(RFC3711)
Redundant server support
NAT Traversal: STUN mode
DTMF: In-Band, RFC2833, SIP Info, Auto
HTTP/HTTPS  Web Management
IP Assignment: Static/DHCP/PPPoE
Bridge/Router mode for PC port
TFTP/DHCP/PPPoE client
DNS client, NAT/DHCP server
Layer 3 ToS, DSCP

Management
Auto-provision via FTP/TFTP/HTTP/HTTPS
SNMP V1/2
Configuration: browser/phone/auto-provision
Trace package and system log export

Physical Features
2.4”132x64 graphic LCD; 33 keys including 2 programmable keys; 1xRJ9 headset port; 2xRJ45 10/100M Ethernet ports; Line keys with LED indicator: 2
LED for call and message waiting indication;
Dual-color (red or green) illuminated LEDs for line status information;
42.5° bracket and wall-mountable
Power adapter: AC 100~240V input and DC 5V/1A output; 
Power over Ethernet ,IEEE 802.3af,class 0
Power consumption: 1.4-2.6W
Net weight: 
Dimension: 
Operating humidity: 10~95%
Storage temperature: up to 60°C

Package Features
Qty/CTN: 10 PCS
N.W/CTN:
G.W/CTN: 
Measurement: 
Carton Meas: