
Table 4: GRP2603/GRP2603P Technical Specifications
HD audio
Yes, HD handset and speakerphone with support for wideband audio
Base Stand
Yes, 2 angle positions available
Wall Mountable
Yes, (*wall mount sold separately)
QoS
Layer 2 QoS (802.1Q, 802.1p) and Layer 3 (ToS, DiffServ, MPLS) QoS
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, Chinese, Korean, Japanese, German, Italian, French, Spanish, Portuguese, Russian, Croatian, Greek
and more
Upgrade/Provisioning
Firmware upgrade via FTP/TFTP / HTTP / HTTPS, mass provisioning using GDMS/TR-069 or AES
encrypted XML configuration file
Power & Green Energy
Efficiency
Universal Power Supply Input 100-240VAC 50-60Hz; 5VDC, 600mA;PoE: IEEE802.3af Class 1,
3.84W; IEEE802.3az (EEE) (GRP2603P Only)
Physical
Dimension: 214mm (L) x 206mm (W) x 68mm (H) (with handset)
Unit weight: 780g; Package weight: 1090g for GRP2603P &1140g for GRP2603
Temperature and
Humidity
Operation: 0°C to 40°C Storage: -10°C to 60°C Humidity: 10% to 90% Non-condensing
Package Content
GRP2603 phone, handset with cord, base stand, universal power supply (GRP2603 only), network cable,
Quick Installation Guide
Compliance
FCC: Part 15 Class B; FCC Part 68 HAC;
CE: EN 55032; EN 55035; EN 61000-3-2; EN 61000-3-3; EN 62368-1;
RCM: AS/NZS CISPR32; AS/NZS 62368.1; AS/CA S004;
IC: ICES-003; CS-03;
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, LDAP, TR-069, SNMP, 802.1x, TLS,
SRTP, IPV6
Network Interfaces
Dual switched auto-sensing 10/100/1000 Mbps Ethernet ports, integrated PoE (GRP2603P only)
Graphic Display
132 x 64 backlit graphical LCD display
Feature Keys
3 SIP account keys with dual-color LED, 4 XML programmable context sensitive soft keys, 5 (navigation,
menu) keys. 9 dedicated function keys for: MESSAGE(with LED indicator), TRANSFER, HOLD,
HEADSET, MUTE, SEND/REDIAL, SPEAKERPHONE, VOL+, VOL-
Voice Codec
Support for G7.29A/B, G.711µ/a-law, G.726, G.722(wide-band),G723,iLBC, OPUS, in-band, and out-of-
band DTMF(in audio, RFC2833, SIP INFO), VAD, AEC, CNG, PLC, AGC
Auxiliary Ports
RJ9 headset jack (allowing EHS with Plantronics & Jabra & Sennheiser headsets)
Telephony Features
Hold, transfer, forward, 4-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