The GRP2602P is part of Grandstream’s GRP series of “carrier-grade” IP phones, designed for reliable large-scale deployment in enterprise or service provider settings.
“P” denotes the variant with integrated PoE (Power over Ethernet) support, so it can receive both power and data over a single Ethernet cable, simplifying deployment.
This model is positioned as an “essential 2-line” IP phone: it supports 2 physical lines (or line keys) and up to 4 SIP accounts. The phone is designed to be easy to manage — it supports zero-touch provisioning and centralized management via Grandstream’s GDMS (Grandstream Device Management System).
In audio, the GRP2602P delivers full HD voice via both handset and speakerphone, supports 5-way conferencing, and employs noise shield / AI noise reduction to help reduce background noise. It supports headsets (via EHS) from popular brands like Plantronics, Jabra, and Sennheiser.
From a security and resilience standpoint, it includes features such as secure boot, dual firmware images, and encrypted data storage. The faceplate is swappable, which allows for logo customization or replacement.
Overall, the GRP2602P is ideal for offices and deployments where moderate line capacity is sufficient, but robustness, manageability, and security are needed.
Here are the notable features of GRP2602P:
| Feature | Description |
|---|---|
| Lines / SIP Support | 2 lines, up to 4 SIP accounts |
| Integrated PoE | Supports 802.3af PoE to power the device over Ethernet (no separate power adapter needed) |
| HD Audio & Speakerphone | Full-duplex, wideband (HD voice) audio for both handset and speakerphone |
| Noise Reduction / Shielding | Noise shield technology + AI noise reduction to reduce ambient noise |
| 5-Way Conferencing | Supports 5 participants in a voice conference |
| Headset / EHS Support | Supports EHS (Electronic Hook Switch) for Plantronics, Jabra, and Sennheiser headsets over RJ9 / EHS path |
| Swappable Faceplate | The front faceplate can be swapped or customized (for logos or replacements) |
| Zero-Touch Provisioning / Management | Supports automated deployment via GDMS / TR-069 / encrypted config files, centralized management |
| Security Features | Secure boot, dual firmware images (fallback), encrypted storage, TLS, SRTP, 802.1x and more |
| Multilingual UI | Supports multiple languages for the user interface (English, Chinese, etc.) |
| Telephony & Call Features | Call hold, transfer, forward, call park, pickup, shared-call-appearance, hot-desking, auto answer, call logs, phonebook (XML / LDAP), etc. |
Below is a more granular specification set for the GRP2602P variant:
| Category | Specification |
|---|---|
| Display | 132 × 48 pixels backlit graphical LCD (about 2.21″) |
| Line / SIP | 2 physical line keys, supports 4 SIP accounts |
| Keys / Buttons | 2 line keys (dual-color LEDs), 4 XML programmable soft keys, 5 navigation/menu keys, 8 dedicated function keys (MESSAGE, TRANSFER, HEADSET, MUTE, REDIAL, SPEAKER, VOL+, VOL–) |
| Interfaces / Ports | - 2 × RJ45 10/100 Mbps (switched) - RJ9 headset port (EHS support) - 1 × power input (if not using PoE) |
| Power | - PoE: IEEE 802.3af Class 1 (power via Ethernet) - (Optional) External power adapter: 5 VDC, 600 mA input 100-240 VAC |
| Voice / Audio Codecs | G.729A/B, G.711 µ/a, G.722 (wideband), G.726, G.723, iLBC, OPUS DTMF (in-band, RFC2833, SIP INFO) VAD, AEC, CNG, PLC, AGC, etc. |
| Telephony Features | Hold, transfer, forward, call park, pickup, 5-way conference, shared-call-appearance, call logs (up to 800 records), phonebook (XML, LDAP, up to 2000 items), click-to-dial, hot-desking, backup / failover, etc. |
| QoS / Networking | 802.1Q VLAN tagging, 802.1p priority, DiffServ, ToS, MPLS IPv4 / IPv6 DHCP, PPPoE, STUN, NTP, DNS, LLDP, TR-069, SNMP, etc. |
| Security | Secure boot, dual firmware images, encrypted configuration files, TLS, SRTP, 802.1x, MD5 authentication, etc. |
| Physical / Environmental | Dimensions (with handset): 208 × 180 × 63.4 mm Weight (unit): ~ 670 g Operating Temperature: 0 °C to 40 °C Storage: –10 °C to 60 °C Humidity: 10% to 90% (non-condensing) |
| Certifications & Compliance | FCC, CE, RCM, IC, etc. (various region-specific compliance) |
| Package Contents | GRP2602P unit, handset + cord, base stand, network cable, quick installation guide |
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