


Grandstream
Grandstream GRP2604P 3-Line Gigabit IP Phone with PoE
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Streamline Your Business Communications
The Grandstream GRP2604P is a carrier-grade 3-line IP phone designed for mass deployment and easy management. It features a sleek design and a suite of next-generation features to maximize productivity. This model is ideal for on-site or remote desktop workers and is designed for easy deployment by enterprises, service providers, and other high-volume markets. The GRP2604P offers an easy-to-use and easy-to-deploy voice endpoint.
Crystal-Clear Audio and Advanced Conferencing
Experience superior audio quality with the GRP2604P's full-duplex speakerphone and handset, both featuring HD audio. Equipped with noise shield technology to minimize background noise, your conversations will be crystal clear. This phone also supports 5-way audio conferencing for easy and productive conference calls.
Seamless Provisioning and Management
The GRP2604P is supported by Grandstream's Device Management System (GDMS), which provides a centralized interface to configure, provision, manage, and monitor deployments of Grandstream endpoints. This zero-touch provisioning makes it incredibly efficient for mass deployments.
Enterprise-Grade Security and Connectivity
This phone includes carrier-grade security features to provide enterprise-level protection, including secure boot, dual firmware images, and encrypted data storage. It is equipped with dual switched auto-sensing 10/100/1000 Mbps Gigabit Ethernet ports with integrated PoE.
| 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 Gigabit Ethernet ports with integrated PoE |
| Graphic Display | 132 x 64 (2.48'') backlit graphical LCD display |
| Voice Codecs and Capabilities | Support for G.729A/B, G.711µ/a-law, G.726, G.722(wide-band), G.723, iLBC, Opus, in-band and out-of-band DTMF (in audio, RFC2833, SIP INFO), VAD, AEC, CNG, PLC, AGC, AJB |
| Telephony Features | 3 lines, 6 SIP accounts, up to 3 call appearances. 5-way audio conferencing. 10 BLF keys. Electronic Hook Switch (EHS) support for Plantronics, Jabra, and Sennheiser headsets. |
| Feature Keys | 3 line keys with dual-color LED, 4 XML programmable context-sensitive soft keys, 5 navigation/menu keys, 8 dedicated function keys for: MESSAGE (with LED indicator), TRANSFER, HEADSET, MUTE, SEND/REDIAL, SPEAKERPHONE, VOL+, VOL- |
| Power & Green Energy Efficiency | Integrated Power-over-Ethernet (802.3af) Class 2, 3.84W-6.49W. Universal power adapter (optional): Input: 100-240VAC; Output: +5VDC, 600mA. |
| Physical | Dimension: 214mm (L) x 206mm (W) x 68mm (H) (with handset). Unit weight: 790g. |
| Security | Secure boot, dual firmware images, and encrypted data storage. |
| Multi-language | English, German, Italian, French, Spanish, Portuguese, Russian, Croatian, Chinese, Korean, Japanese, and more |
Manufacturer Technical Data
| Product Spec Sheet |
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Shipping & Returns
- R120 Delivery Fee
- 30 Day Returns
- 24 Hour Live Chat Support
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Frequently Asked Questions
Answers to frequently asked questions
Does NexGen Computing conduct regular security audits?
Yes, we regularly conduct security audits and vulnerability assessments to identify and address potential security weaknesses, maintaining a high level of security and compliance with industry standards.
How can I stay informed about policy changes?
We reserve the right to update or modify our policies at any time. Changes will be posted on our website, and your continued use of our products and services constitutes acceptance of any changes.
Where can I find more information or ask additional questions?
For more information or assistance, please visit our website at www.nexgencomputing.co.za or contact us at support@nexgencomputing.co.za.
How does NexGen Computing handle shipping and delivery?
Orders are processed promptly, with delivery details provided at checkout. Tracking information will be emailed once your order ships.
What is the return and refund policy?
Refunds are typically issued for defective or incorrect items within 14 days of receipt. For detailed information, please refer to our Refund Policy.
Is my payment information secure?
Yes, all payments made on our site are processed securely on our domain using industry-standard security measures. Sensitive data, such as credit card numbers, are processed by PCI-compliant payment processors like Yoco, Paystack, and Peach Payments.





