Protocols/Standards
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*, CDP/SNMP/RTCP-XR
Network interfaces
Dual 10/100/Mbit/s network ports with automatic identification,
Integrated PoE function (only in GXP1610P/GXP1615)
Graphic display
Graphic LCD display 132*48 pixels (2.95’)
Function Keys
2 line keys with two-color LED, and 1 SIP account, 3 context-sensitive programmable
touch keys, 5 navigation/menu keys, 13
special function keys PAGE/INTERCOM (PAGING/INTERCOM),
PHONEBOOK (PHONEBOOK), MESSAGE (MESSAGE), HOME (HOME)),
HOLD (HOLD), RECORD (RECORD), MUTE (OFF SOUND), HEADSET
(HEADSET), TRANSFER (TRANSFER), CONFERENCE (CONFERENCE), SEND and
REDIAL, SPEAKERPHONE, VOLUME
Voice codecs
Support G.711µ/a, G.722 (Broadband), G.723, G.726-32, G.729 A/B, iLBC,
In-band and out-of-band DTMF (In audio, RFC2833, SIP INFO), VAD, CNG,
AEC, PLC, AJB, AGC
Telephony Functions
Hold, Transfer, Re