Grandstream GRP2603P, Carrier-Grade IP Phones, 3 lines, 6 SIP accounts, Dual 10/100/1000 Mbps Ethernet ports,

Protocols/Standards SIP RFC3261, TCP/IP/UDP, RTP/RTCP, RTCP-XR, HTTP/HTTPS, ARP, ICMP, DNS(A record, SRV, NAPTR), DHCP, PPPoE, SSH, TFTP, NTP, STUN, SIMPLE, LLDP, LDAP, TR069, SNMP, 802.1x, TLS, SRTP*, IPv6 Network interfaces Two switched 10/100/1000 Mbps Ethernet ports with auto-detection, built-in PoE support (only in the GRP2603P model) Screen 132 x 64 (2.7 inch’) dots backlit graphic LCD display Function buttons 3 line buttons with two-color LEDs and support for 6 SIP accounts, 4 XML context-sensitive on-screen buttons, 5 buttons (navigation, menu). 9 special function buttons for: MESSAGE (with LED indicator), TRANSLATION, HOLD, HEADSET, MUTE THE MICROPHONE, SEND/REDIAL, SPEAKERPHONE COMMUNICATION, VOLUME +, VOLUME Additional RJ9 ports headset jack (EHS support for Plantronics, Jabra and Sennheiser) Voice codecs and features Support G.729A/B, G.711µ/a-law, G.726, G.722(wide-band), G.723,iLBC, OPUS, in- and out-of-band DTMF(in audio, RFC2833, SIP INFO), VAD, AEC, CNG, PLC, AGC, AJB Telephony functions Hold, Transfer, Forwarding, 5-way Conference, Call Parking , Call Interception, Shared Line (SCA)/parallel call indication (BLA), downloadable phonebook (XML, LDAP, up to 2000 entries), call waiting, call log (up to 800 entries), auto-dial when you pick up the handset, auto-answer, click-to-dial, flexible number plan, hot table system, personalized ringtones and music on hold, backup server and fault tolerance HD Audio Yes, HD quality in the handset and speaker with broadband sound support Footing Yes, 2 positions are available (39° & 45°), wall mounting option (*Wall mounting bracket sold separately) QoS Layer 2 QoS (802.1Q, 802.1P) and Layer 3 (ToS, DiffServ, MPLS) QoS Safety User and administrative level password, MD5 and MD5-sess authentication, configuration file with 256-bit AES encryption, SRTP*, TLS, 802.1x media access control, secure boot Supported languages English, Chinese, Korean, Japanese, German, Italian, French, Spanish, Portuguese, Russian, Croatian, etc. languages Update/ Automatic configuration Firmware update via FTP/TFTP/HTTP/HTTPS, group configuration using GDMS (Grandstream Device Management System), TR-069 or XML configuration file with AES encryption Power and energy efficiency Universal power supply Input 100-240V AC 50-60Hz; Output +5V post. current, 600mA; PoE: IEEE802.3af Class 1, 3.84W; IEEE802.3az (EEE) (only for GRP2603P model) Temperature and humidity Operation: from 0°C to 40°C Storage: -10°C to 60°C Humidity: 10% to 90% non-condensing Package contents Phone model GRP2603, tube with wire, base, universal power supply (only for model GRP2603), network cable, quick guide Dimensions Dimensions: 214mm (L) x 206mm (W) x 68mm (H) (with tube) Device weight:780g; Package weight:1090g for GRP2603P and 1140g for GRP2603 Compliance with standards GRP2603/GRP2603P FCC: Part 15 Class B; FCC Part 68 HAC; CE: EN 55032; EN 55035; EN 61000-3-2; EN 61000-3-3; EN 62368-1; RCM: AS/NZS CISPR32; AS/NZS 62368.1; AS/CA S004; IC: ICES-003; CS-03;