IP Phone SIP-T780 Grandstream Office deskphone with rich functions,PoE function optional

IP Phone SIP T780

     ---Enterprise level IP telephone
     ---2 SIP account numbers
     ---2. 4 inch black and white display screen with backlight
    ---High-definition sound quality: HD handle, HD hands-free
   ---1000 entries of address book,1200 entries of call records

   ---Support 17 languages switching---Multi-language for selection, high adaptability

   ---Personalized customized ringtones---10 custom ringtones can be customized by the manufacturer

   ---3 angles can be switched---Easy installation of back bracket

Description

SIP-T780 is a feature-rich high-definition voice IP phone that supports 2 SIP accounts, 100M/Gigabit network ports, IPv6, and dual-network port POE power supply. It has high-definition sound quality, unique appearance design, 17 languages display, supports WIFI connection, is compatible with mainstream IP PBX, changes multiple perspectives, and can access 32 DSS user status keys. SIP-T780 can meet the needs of different user groups, provide strong guarantees for users with high product quality, and easily achieve high-quality communication.

Hardware specifications
Account Support :2 SIP accounts
Network interface: 2 10/100 adaptive Ethernet interface, optional PoE power supply;
Headphone jack: 1 RJ9 jack
Screen: 2.4-inch black and white display with backlight
Power supply: AC100-240V, output: DC 5V

Software specifications
Operating system: Linux
Language: Support 17 languages (Simplified Chinese, Traditional Chinese, English, Turkish, Korean, Russian, French, Italian, German, Polish, Portuguese, Thai, Hindi, Arabic, Japanese, Spanish, Vietnamese language)
Voice: High-definition voice, handle and hands-free mode support high-definition voice calls.
Voice coding: G.711A/u, G722, G.723 high/low, G.729 A/B, support DTMF in-band and out-of-band transmission (SIP INFO, DTMF Relay, RFC2833)
Protocol: Support SIP 1.0 (RFC2543), SIP 2.0 (RFC3261), IEEE 802.3 /802.3 u 10 Base T / 100Base TX, UDP/ TCP/IP, RTP, RTCP, SRTP, DHCP, PPPoE, DNS, Telnet, FTP, TFTP , HTTP, HTTPS, VAD/CNG, PPTP, L2TP, OpenVPN, SNTP, STUN
Telephone functions: call hold, mute, transfer, call transfer (unconditional transfer, no answer transfer, busy transfer), multi-party conference, call waiting, personalized ringtones, address book import\download, automatic answer. It can store 500 phone numbers, 1000 call records, and 1200 all call records. Can support blacklist (optional); can support encrypted call function.
Ringtone: 10 ringtones can be selected (can be added at the factory if necessary).
Encryption: Support soft encryption such as AES, or hard encryption with encryption chip.
Time setting: Support time setting (SNTP/SIP Server acquisition/manual).
Network management: Tr069, SNMP, can support OMC platform
Automatic configuration: TFTP, HTTP, HTTPS, PnP