Grandstream GRP2601, Carrier-Grade IP Phones, 2 lines, 2 SIP accounts, Dual 10/100 Mbsps Ethernet ports, (with

Protocols/standards SIP RFC3261, TCP/IP/UDP, RTP/RTCP, RTCP-XR, HTTP/HTTPS, ARP, ICMP, DNS (record, SRV, NAPTR), DHCP, PPPoE, SSH, TFTP, NTP, STUN, SIMPLE, LLDP, LDAP, TR-069, SNMP, 802.1x, TLS, SRTP, IPv6 Network interfaces Two 10/100 Mbps switched Ethernet ports with automatic detection, built-in PoE power supply (GRP2601P model only) Wi-Fi GRP2601W, single frequency, 2.4GHz, 802.11 b/g/n/ax (2.4G only) Graphic display LCD display with a resolution of 132 x 48 (2.41 inches) Function buttons Four programmable context-sensitive XML on-screen keys, five keys (navigation, menu). Eight special function keys: MESSAGE (with LED indicator), TRANSMISSION, HEADSET, MUTE, sending/REDIAL, LOUD FREEDOM MODE, VOLUME+, VOLUME Codecs and voice functions Support G.729A/B, G.711µ/a-law, G.726, G.722 (Broadband), G.723, iLBC, OPUS, DTMF in-band and out-of-band (audio input, RFC2833, SIP INFO), VAD, AEC, CNG, PLC, AGC, AYB Phone Functions Hold, redirect, transfer, five-way conference, parking calls, answering calls, phonebook (XML, LDAP, maximum 2000 positions) can be downloaded, waiting for a call, register calls (max. 800 entries), automatic dialing without lifting the handset headphones, answering machine, one-click dialing, flexible dialing plan, hot table service, personalized music ringtones and call waiting music, server backup and backup power Auxiliary ports RJ9 headphone jack (provides EHS function for kits Plantronics, Jabra and Sennheiser headsets) Rack Yes, can be installed at one angle (45°), wall mounting ( wall mounting bracket, sold separately*) QoS QoS level 2 (802.1Q, 802.1P) and QoS Level 3 (ToS, DiffServ, MPLS) Safety User and administrator level passwords, authentication using MD5 and MD5-sess algorithms, encrypted configuration file (AES standard). 256 bits), SRTP, TLS, access control to the 802.1x transmission medium, secure boot Multilingual support: English, Chinese, Korean, Japanese, German, Italian, French, Spanish, Portuguese, Russian, Croatian and others Update/Remote Configuration Firmware update via FTP/TFTP/HTTP/HTTPS, mass remote configuration using GDMS/TR-069 protocol or configuration file XML encrypted with AES Power and energy saving Universal power supply, input voltage 100-240 V AC, 50-60 Hz; output +5 V DC, 600 mA; PoE: IEEE802.3af, Class 1, 3.84 W; IEEE802.3az (EEE) (GRP2601P only) Temperature and humidity Operation: from 0°C to 40°C Storage: -10°C to 60°C. Humidity: from 10% to 90% without condensation. Package contents Phone GRP2601/2601P/GRP2601W, handset with cable, stand, universal power supply (GRP2601 model only), network cable, quick installation guide Physical properties Dimensions: 208 mm (L) × 180 mm (W) × 63.4 mm (H) (with handset) Device weight: 650 g; total weight 810 g (860 g for GRP2601 model)