The exclusive GRP2670 is the top model of the GRP26xx IP phone family. It supports up to 12 SIP lines as well as zero-touch provisioning and is therefore ideal for installing and provisioning large quantities with very simple device management. The ultra-modern GRP2670 is equipped with everything a professional, comfortable and secure IP telephone needs. At the top is the 17,8 cm ( 7 inch ) color TFT display, the model also offers 5-way conference, integrated WLAN and Bluetooth interface, power supply via PoE, HD audio on the handset and for hands-free calling and much more. In addition to the Grandstream GUV headsets, other brands are also supported via the USB port; the EHS function for Plantronics headsets is available via the standard headset port. This model also has high security features at bank level, including a secure boot function, dual firmware image and encrypted data storage. The easiest way to provision is via Grandstream's central, cloud-based management solution GDMS. Monitoring, troubleshooting and configuration of the end devices are also carried out via the platform. By providing 64 virtual multi-function keys (VPK) and the crystal-clear 17,8 cm ( 7 inch ) touch display, the GRP2670 qualifies as the top model of the GRP series for all professional telephony applications and its exclusive look provides that certain something extra.