Phone functions:
• 2 SIP line
• Multi-language selection (Chines/ English/ Turkish/Korean/ Russian/ Traditional Chinese/ French/Italian/ German/ Portuguese/ Polish/ Thai/ Hindi/Arabic/ Japanese/ Spanish/ Vietnamese )
• Caller ID with display name
• Custom DSS key, BLF monitoring, hotline, speed dial
• Handle/ hands-free/ headphone mode
• Call hold, mute, blind transfer, inquiry transfer
• DND, call forwarding, call waiting
• Multicast, intercom, text message, keypad lock,emergency call
• Direct IP call, redial, callback, auto answer
• Five-party conference, line sharing, dialing rules
• 10 types of built-in ringtones/ Upload custom ringtones
• Manually or automatically synchronize network time
• Action URL & Action URI
Audio characteristic
• High-fidelity sound quality : HD handle,HDhands-free
• Broadband codec:G.722,Opus
• Narrowband codec:G.711(A/μ), G.723.1,G.729AB, G.726, iLBC
• DTMF: In-band transmission(In-band) ,Out-of-band transmission (RFC 2833),SIP INFO
• Full-duplex hand-free
• Acoustic echo cancellation (AEC)
• Voice activity detection (VAD)
• Comfort noise generation (CNG)
• Packet loss compensation (PLC)
• Background noise detection (BNE)
• Automatic gain control (AGC)
• Dynamic adaptive RTP jitter buffer up to 300 ms
Address book
• Blacklist
• XML/LDAP address book
• Contact smart search
• Contact export/ import
• Local contacts (1000 entries can be stored )
• Call history: dialed/ received/ missed/
forwarded calls (1200 records in total)
IP PBX Features
• BLF, voice message
• Anonymous call, anonymous call rejection
• Call park, call pickup
• Server-based recording function
Configuration and maintenance
• Web configuration, Phone configuration
• Automatic deployment: Support FTP/ TFTP/HTTP/ HTTPS/ SIP PnP/TR-069
• BIN/ CFG configuration
• Contact configuration export/ import
• CSTA remote control
• Network packet capture and diagnosis
• CSTA remote control
• Netork packet capture and diagnosis
• Custom/ full restore factory settings
• System firmware upgrade
Network characteristics
• Support IPv4 / IPv6 / IPv4&IPv6
• IP address allocation mode: Static IP / DHCP
• Virtual Local Area Network: VLAN
• Data link layer protocol: CDP / LLDP
• SIP v1 (RFC2543), v2 (RFC3261)
• Support redundant servers
• Support ICE, STUN (NAT session traversal)
• Support UDP/ TCP/ TLS transmission
• Support SRTP encryption protocol
• SIP trust serve (anti-attack mechanism)
• HTTP/HTTPS
• TR-069 network management protocol
• SNTP automatically synchronizes network dates and times
• QoS: QoS: 802.1p/Q tagging (VLAN), Layer3/ToS/ DSCP
• HTTPS certificate management
• Support configuration file encryption
• Support information verification mechanism
• RTCP-XR, VQ-RTCPXR , OpenVPN, IEEE802.1X
• Wi-F (2.4G&5G) optional
LTE
• 4G LTE full Netcom SIM card (SIP-T781NL)
Phone interface
• 1 x RJ-9 (4P4C) handle interface
• 1 x RJ-9 (4P4C) headset interface
• 2 x RJ-45 10/100M adaptive Ethernet port
• DC power interface, USB2.0 interface
Product specification
• Phone main screen: 2.3 inches (132×64) LCD display with backlight
• Information indicator: LED red light
• Phone keyboard:
– 2 SIP line keys (with LED lights, programmable)
– 4 customizable soft keys
– 12 standard telephone number keys
– 6 function keys headset, voice message, mute, call
forwarding, redialing, hands-free
– 5 navigation keys
– 2 volume up/down adjustment keys
• Color: business gray
• Installation method: Desktop/ Wall-mounted
• Desktop size: 187mm*184mm*147mm
• Phone power consumption:2~3W
• PoE: IEEE 802.3af/IEEE 802.3at
• Working environment humidity: 10~95%
• Working temperature: -10~50° C (+14~122° F)
Carton package
• Packing list:
– IP phone:SIP-T780PN
– Standard Ethernet cable, handle curve
– Base, handle and Quick start guide
– Power adapter: input AC 100~240V, Output DC 5V / 1000mA (optional)
• Quantity/ box: 10 units
• Gross weight/ carton: 9.5 kg