CooVox-T100s is an easy-to-configure and delicate diminutive IPPBX system for small and medium-sized enterprises worldwide, espeically for SIP trunk users. CooVox-T100s is well suited for small businesses with up to 100 people and meets all the needs of an office phone system. When used with the EX16S Expansion Box, T100s supports mixed networking of analog phones and VoIP phones. Equipped with the brand-new software 4.0 system, CooVox-T100s can provide users with more convenience in application and management. Plus, improve enterprise communication efficiency, and help