SIP RFC3261, TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP, ICMP, DNS (A record, SRV, NAPTR), DHCP, PPPoE, TELNET, TFTP, NTP, STUN, SIMPLE, LLDP, LDAP, TR-069, 802.1x, TLS, SRTP, IPv6

Network Interfaces:

Dual switched auto-sensing 10/100/1000 Mbps Gigabit Ethernet ports with integrated PoE

Bluetooth:

Yes, integrated

Wi-Fi:

Integrated dual-band (2.4GHz and 5GHz) Wi-Fi 6 (802.11a/b/g/n/ac/ax) - hardware version 5.0 and above

Graphic Display:

4.3 inch (480x272) TFT color LCD

Voice Codecs and Capabilities:

Support for G.729A/B, G.711µ/a-law, G.726, G.722 (wide-band), G.723, iLBC, OPUS, in-band and out-of-band DTMF (in audio, RFC2833, SIP INFO), VAD, CNG, AEC, PLC, AJB, AGC

Telephony Features:

Hold, transfer, forward, 3-way conference, call park, call pickup, shared-call-appearance (SCA) / bridged-line-appearance (BLA), downloadable phonebook (XML, LDAP, up to 2000 items), call waiting, call log (up to 2000 records), XML customization of screen, off-hook auto dial, auto answer, click-to-dial, flexible dial plan, hot-desking, personalized music ringtones and music on hold, server redundancy and fail-over

HD Audio:

Yes, HD handset and speakerphone with support for wideband audio

Extension Module:

Yes (GBX20)

Feature Keys:

10 line keys with up to 16 SIP accounts, 5 XML programmable context-sensitive softkeys, 5 navigation/menu keys, 9 dedicated function keys for: MESSAGE (with LED indicator), TRANSFER, HOLD, HEADSET, MUTE, SEND/REDIAL, SPEAKERPHONE, VOL+, VOL-

Base Stand:

Yes, 2 angle positions available, Wall Mountable (*wall mount sold separately)

QoS:

Layer 2 QoS (802.1Q, 802.1P) and Layer 3 QoS (ToS, DiffServ, MPLS)

Auxiliary Ports:

RJ9 headset jack (allowing EHS with Plantronics headsets), USB

Security:

User and administrator level passwords, MD5 and MD5-sess based authentication, 256-bit AES encrypted configuration file, SRTP, TLS, 802.1x media access control, secure boot

Multi-language:

English, German, Italian, French, Spanish, Portuguese, Russian, Croatian, Chinese, Korean, Japanese and more

Upgrade/Provisioning:

Firmware upgrade via FTP/TFTP/TFTPS/HTTP/HTTPS, mass provisioning with GDMS (Grandstream Device Management System), TR-069 or AES encrypted XML configuration file

Power & Green Energy Efficiency:

Universal power adapter included - Input: 100 - 240V ; Output: +12VDC, 1A ; Integrated Power-over-Ethernet (802.3af), IEEE 802.3az Energy-Efficient Ethernet, Max power consumption 6.3W (power adapter) or 7.4W (PoE)

Temperature and Humidity:

Operation: 0°C to 40°C, Storage: -10°C to 60°C ; Humidity: 10% to 90% Non-condensing

Package Content:

GRP2615 phone, handset with cord, phone stand, 12V power adapter, network cable, Quick Installation Guide, GPL license

Physical Dimensions:

• Unit weight: 970g ; Package weight: 1480g

• Dimension: 243mm x 210mm x 82.3mm

Compliance:

• FCC: Part 15 Class B; Part 15 Subpart C, 15.247; Part 15 Subpart E, 15.407; FCC Part 68 HAC

• CE: EN 55032; EN 55035; EN 61000-3-2; EN 61000-3-3; EN 62368-1; EN 301489-1; EN 301489-17; EN 300328; EN 301893; EN 62311

• RCM: AS/NZS CISPR32; AS/NZS 4268; AS/NZS 62368.1; AS/CA S004

• IC: ICES-003; CS-03; RSS-247; RSS-102.