Protocols/Standards
- SIP RFC3261, TCP/IP/UDP, RTP/RTCP, RTCP-XR, HTTP/HTTPS, ARP, ICMP, DNS (A Record,
- SRV, NAPTR), DHCP, PPPoE, SSH, TFTP, NTP, STUN, SIMPLE, LLDP-MED, LDAP, TR-069,
- SNMP, 802.1X, TLS, SRTP, IPv6
Network Interfaces
- Dual switched auto-negotiation 10/100 Mbps Ethernet ports, integrated PoE (GRP2602P only)
- Dual switched auto-negotiation 10/100/1000 Mbps Ethernet ports, integrated PoE (GRP2602G only)
- Dual switched auto-negotiation 10/100 Mbps Ethernet ports(GRP2602W only)
Wi-Fi
- GRP2602W, 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
- 132 × 48 (2.41") backlit graphical LCD display
Feature Keys
- 2 line keys with dual-color LED and support for 4 SIP accounts
- 4 XML programmable context-sensitive soft keys
- 5 navigation/menu keys
8 dedicated function keys:
- MESSAGE (with LED indicator),
- TRANSFER,
- HEADSET,
- MUTE,
- SEND/REDIAL,
- SPEAKERPHONE,
- VOL+,
- VOL-
Auxiliary Port
- RJ9 headset jack(allowing EHS with Plantronics, Jabra & Sennheiser headsets)
Voice Codecs and Capabilities
- Support for G.729A/B, G.711µ/a-law, G.726, G.722 (Wideband), G.723.1,iLBC, Opus, In-band and Out-of-band DTMF (In Audio, RFC2833, SIP INFO), VAD, AEC, CNG, PLC, AGC, AJB