Network and Connectivity

• Ethernet Ports: The series features dual switched auto-negotiation 10/100 Mbps Ethernet ports.

• Power over Ethernet (PoE): Integrated PoE support is available exclusively on the GRP2601P model.

• Wi-Fi: The GRP2601W model includes single-frequency 2.4 GHz Wi-Fi (802.11 b/g/n/ax).

• Protocols: Supported standards include SIP RFC3261, TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP, DNS, DHCP, IPv6, and many others.

Audio and Display

• Display: The devices are equipped with a 132 x 48 (2.41'') LCD graphic display.

• Codecs: Supported voice codecs include G.729A/B, G.711µ/a-law, G.726, G.722, G.723.1, iLBC, and Opus.

• Voice Quality: Integrated features include VAD, AEC, CNG, PLC, AGC, and AJB for improved voice clarity.

Telephony and Features

• Call Management: Provides features such as hold, transfer, forward, 5-way conferencing, call park, call pickup, and call waiting.

• Contacts/Logs: Supports downloadable phonebooks (XML/LDAP) up to 2,000 items and call logs up to 800 records.

• Programmability: Includes 4 XML programmable soft keys and 8 dedicated function keys (Message, Transfer, Headset, Mute, Send/Redial, Speakerphone, and volume controls).

Security and Provisioning

• Security: Authentication is based on SHA-256 and SHA-512 algorithms for users and administrators, with support for SRTP and TLS call encryption.

• Provisioning: Firmware updates can be performed via FTP, TFTP, HTTP, or HTTPS, with mass provisioning supported via GDMS or TR-069.

Physical and Environmental Specs

• Dimensions: 208 mm (L) x 180 mm (W) x 63.4 mm (H).

• Weight: Units weigh 650 g (651 g for the GRP2601W).

• Environment: Operation range is 0°C to 40°C, with a storage range of -10°C to 60°C and 10% to 90% non-condensing humidity.

• Power: Universal power supply (100-240VAC) or PoE (IEEE802.3af Class 1) for the GRP2601P model.