48/72/96 FXO/FXS SIP VoIP Gateway with Mitel Certification SIP & MGCP Routing, DID, MWI, CDR ... Interface; Text based configuration HTTP/WEB,Auto Provision, Remote Configuration, software upgradeOther Special Feature FXS Loop Start, DDI (Hong Kong) SIP ... ,19” Chassis Net Weight:9Kg, Gross weight 14 Kg SIP VoIP Gateway