• 4.3” IPS LCD with 800×480 resolution
• 3 cardioid microphones; 12 ft. pickup distance, 360° capture
• Integrated. Bluetooth 4.0
• Microphone Coverage: 360° Audio Pick-Up
• Speakerphone: Frequency: 220-18,000 Hz. Volume Up to 86 dB at 0.5 meter
Audio full duplex
• speakerphone with support for wideband(HD) audio
• Microphone Frequency Response: 160 – 16,000 Hz
• 3.5mm audio port, USB Micro-B, RJ48 daisy chain port
• Dialer Display : 3.5in diagonal color graphics display, 480×320 pixels
• Auxiliary Ports 3.5mm audio port, USB Micro-B, RJ48 daisy chain port
• Network Interface Auto-sensing Gigabit Ethernet port with integrated PoE+ (IEEE 802.3at Class4)
• Dimensions: (280 x 285×60)mm
Unit weight:1.34kg;
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• SIP RFC3261, TCP/IP/UDP, RTP/RTCP,HTTP/HTTPS, ARP, ICMP, DNS (A record, SRV,NAPTR), DHCP, PPPoE, SSH, TFTP, NTP, STUN, SIMPLE, LLDP, LDAP, TR-069, 802.1x,
TLS, SRTP, IPV6 (pending), OpenVPN (pending)
• Voice Codecs
Support for G.711µ/a, G.722, G.726, iLBC, Opus, G.722.1 and G.722.1c (pending),
in-band and out-of-band DTMF (In audio, RFC2833, SIP INFO), G.729A/B, VAD, CNG,
AEC, PLC, AJB, AGC
• Telephony Features
6 SIP accounts, hold, transfer, forward, 7-way conference, call park, call pickup, call waiting, call log, customization of screen, auto-answer, click to dial, music on hold & more
• Sample Applications
Web browser, Adobe Flash, Facebook, Twitter, YouTube, Google calendar, mobile phone data import/export via Bluetooth, etc. API/SDK available for advanced custom application development
• QoS Layer 2 QoS (802.1Q, 802.1p) and Layer 3 (ToS, DiffServ, MPLS) QoS.
• Security
User and administrator level passwords, MD5 and MD5-sess based authentication,
256-bit AES encrypted configuration file, TLS, SRTP, HTTPS, 802.1x media access
control
• Operating Temperature : 32 – 104 °F (0 – 40 °C)
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• Gradstream GAC2500 phone
• USB, Ethernet, and RJ48(CAT-5) cables
• External Power Supply.
• Quick Installation Guide
• 2-years Local Warranty
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