Grandstream GRP2650, Carrier-Grade IP Phones, 14 line keys, 6 SIP accounts, 48 Digital BLF and Speed Dial keys, HD (with power supply)

Protocols/standards
SIP RFC3261, TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP, ICMP, DNS (record A, SRV,
NAPTR), DHCP, PPPoE, SSH, TFTP, NTP, STUN, SIMPLE, LLDP, LDAP, TR-069, 802.1x, TLS,
SRTP, IPV6

Network interfaces
Two switchable 10/100/1000 Mbit/s Gigabit Ethernet ports with
auto-negotiation and integrated PoE module

Graphic display
5 TFT LCD display (1280×720)

Wi-Fi
Yes, built-in dual-band Wi-Fi module 802.11 a/b/g/n/ac (2.4 and 5 GHz)

Bluetooth
Yes, the built-in module

Main buttons
14 line buttons with support for up to 6 SIP accounts, 6 programmable (XML)
contextual touch keys, 5 menu/navigation keys, 9 special keys:
MESSAGE (with LED indicator), TRANSLATE, HOLD, HEADSET,
SOUND OFF, SEND/REDIAL, SPEAKER, THUNDER.+, THUNDER.–
Additional connectors RJ9 headset jack (allowing you to connect an EHS headset adapter
Plantronics) and a USB connector

Voice codecs and features
Supports G.729A/B, G.711m/a-law, G.726-32, G.722 (broadband), G723.1, iLBC,
OPUS, in-band and out-of-band DTMF (in audio, RFC2833, SIP INFO)

Telephony functions
Retention, transfer, forwarding, five-participant conference, call parking
, call interception, single internal number (shared call appearance,
SCA), bridged line appearance (BLA) function, downloadable
phone book (XML, LDAP, up to 2000 elements), call waiting
, call log (up to 2000 recordings), XML screen setup, auto-dial when the handset is picked up,
answering machine, call from the website (click-to-dial), flexible configuration of subscriber groups,
support for shared workplace usage, personalization of ringtones
and ringtones on hold, switching to a backup server in case of failure

HD Audio
Yes (HD tube and speaker), with broadband audio support
and two microphones

Expansion Module
Yes, GBX20

Rack
Yes, with two tilt angles and wall mount (*Wall mount
is available separately)

Quality of service
Layer 2 (802.1Q, 802.1P), 802.11e (WMM) and Layer 3 (ToS, DiffServ, MPLS)

Safety
Passwords for users and administrators, authentication on the database
MD5 and MD5-session, configuration file with 256-bit AES encryption, SRTP, TLS,
802.1x-based media access control, secure download

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

Update/Setup
Firmware update via FTP/TFTP/TFTPS/HTTP/HTTPS, mass configuration
using GDMS/TR-069 or XML configuration file with AES encryption

Nutrition and energy efficiency
The package includes a universal power adapter:
input: 100-240 V; output: +12V, 1.0 A;
integrated Power-over-Ethernet module (802.3af)
IEEE 802.3az Ethernet energy efficiency
Maximum power consumption: 6.2W (power adapter)

Temperature and humidity
Operation: from 0 to 40 °C
Storage: -10 to 60 °C
Humidity: 10 to 90% non-condensing

Package Contents
GRP2650 phone, handset with wire, stand, 12V power adapter, Network
cable, Quick installation guide

Physical characteristics
Sizes: device weight 1050 g; package weight 1620 g
Dimensions: 263 × 210 x 82 mm