نظرة عامة:
Grandstream GRP2603P PoE 3-Line 6-SIP Carrier Grade IP Phone

الوصف والمميزات:
3 lines, 6 SIP accounts, up to 3 call appearances Supported by GDMS which provides a centralized interface to configure, provision, manage and monitor Grandstream devices
Electronic Hook Switch (EHS) support for Plantronics, Jabra, and Sennheiser headsets
Full-duplex speakerphone with HD audio to maximize