Grandstream
GRP IP phone with 4 SIP accounts, 4 lines and PoE and Wi‑Fi depending on model.
| Type | Carrier-grade IP phone |
| Short description | GRP IP phone with 4 SIP accounts, 4 lines and PoE and Wi‑Fi depending on model. |
| SIP accounts | 4 |
| Lines | 4 |
| Options | PoE and Wi‑Fi depending on model |
| Use case | Desktop IP telephony for businesses, call centers, reception desks and daily users. |
| Audio | HD audio with hands-free speakerphone; noise reduction depending on model. |
| Provisioning | Zero-touch/GDMS for GRP series; network provisioning for other series depending on model. |
| Security | Secure boot, dual firmware images and data encryption depending on series. |
| Network | 10/100 or Gigabit Ethernet ports, PoE and Wi‑Fi available depending on variant. |
| Headset | RJ9/EHS/USB or Bluetooth headset compatibility depending on model and variant. |
| Conference | Local multi-party audio conferencing depending on model. |
| Keys and BLF | Line keys, programmable keys and digital/physical BLF depending on model. |
| Compatibility | Compatible with SIP IP PBXs, Grandstream UCM and standard SIP platforms. |
| Highlights | Designed for volume deployments with simplified management and professional audio quality. |
| Ecosystem | Compatible with the Grandstream ecosystem: UCM, GDMS, GWN or SIP endpoints depending on family. |
| Reference source | Official Grandstream page and 2026 product brochure. |
| Brand | Grandstream Networks |
| Commercial status | Product or series listed in Grandstream 2026 commercial sources. |