... solution is accomplished by simply adding additional cards.SINOV-TDM400E_A works with Asterisk®, Elastix®, FreeSWITCH™, PBX in a Flash, trixbox®, Yate ... *H): 214*105*12MM Wight: 242g------------------------------------------------------------------------------------------------We are specialized in development and manufacture of POE and VoIP Products: IP Phone, IAD ...