Grandstream GXP1625, business IP Phone with 2 lines

specification

Telephone lines, number: 2
Software update
HD audio
Trilateral conference-connection
Speakerphone (full duplex loudspeaker with echo cancellation)
Automatic reply
Expansion: 132x48
Dimensions: 209x184.5x76.2 mm
Loading phone book (XML/LDAP, up to 500 items)
Audio codec: G.711µ/a, G.722 (wideband), G.722.1, G.723 (pending), G.726-32, G.729 A/B, DTMF in and out of range (In audio, RFC2833 , SIP INFO)VAD, CNG, AEC, PLC, AJB, AGC
Operating conditions (temperature/humidity): 0 - +40 °C, 10-90 % (without condensation)
Possibility of mounting on the wall
Connection: IP
Storage conditions: temperature -10 - +60 °C
QoS: Layer 2 (802.1Q, 802.1P), Layer 3 (ToS, DiffServ, MPLS)
Memory (phone book): 500 numbers
Delay
Power supply: input 100-240 V, 50-60 Hz; Output: 5V, 600mA
Shared Call Appearance
Protocol: SIP RFC3261, TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP/RARP, ICMP, DNS (A record, SRV, NAPTR), DHCP, PPPoE, SSH, TFTP, NTP, STUN, SIMPLE, LLDP -MED, LDAP, TR-069, 802.1x, TLS, SRTP
auto connect
network cable
Headphone type: Wired
EHS support (for Plantronics headsets)
PoE support (ieee802.3af)
Type: LCD
Personalized music ringtones
Universal power supply unit
Security: admin/client access control, authentication based on MD5 and MD5-sess, 256 encrypted configuration file AES, media access control SRTP, TLS, HTTPS, 802.1x
Storage of incoming/outgoing/missed calls: 200 records
RJ9
Weight: 0.73 kg
Flexible numbering plan
2 x LAN 10/100 Mbit/s Ethernet (PoE)
Instruction
One click typing
Adjusting the tilt angle of the phone
the earpiece of the telephone
Phone GXP1625
Color: Colorful