EMTA 3528-4e Features Four-port Embedded MTA for Small Business Customers Features | Specifications Ideal Solution for Cable Operators to Deliver Telephony and Broadband Internet Services to Small Business Customers Business environments friendly - PBX (Ground start/Loop start) - FAX (T.38 and G.711 fallback) - House wiring with foreign voltage detection - Credit Card reader transaction High data throughput PacketCable™ provisioning QoS Features Ensure PSTN Voice Quality Service CLASS Feature Support with Call Agents or Softswitches   InnoMedia's EMTA 3528-4e is a DOCSIS™ 2.0 ready 4-port VoIP device designed for cable operators to offer high quality primary line voice services to business customers. Designed for DOCSIS 2.0 cable networks, InnoMedia's EMTA 3528-4e is an embedded 4 voice port MTA device that offers MSO's an excellent opportunity to deliver new revenue generating telephony services to their business customers. It has rich set of business features including ground start and loop start for business PBX’s, foreign voltage detection to allow house wiring and prevent accidental connection of house wires to live PSTN, T.38 and G.711 fallback fax support, reliable Bell103/212A modem transmission for credit card reader information transaction, and RJ11 DC open loop for loss of voice link indication to allow alarm triggering. EMTA 3528-4e also supports PacketCable provisioning, 16 SIDS, and a wide variety of call features including Caller ID, Call Waiting, Call Forwarding, Call Return, Caller ID Blocking, Call Trace, Automatic Callback, as well as device based 3-way calling. It sustains downlink data throughput of 29 Mbps with 4 voice ports in conversation. The EMTA 3528-4e has a UPS port to connect to external UPS batteries to allow service provider to offer primary line voice services.