Mitel Semiconductor creator Canada Mitel Semiconductor 1991 372,various paging General Information (Page-1), Analog Switches (Page-2), DTMF Signals Components (Page-3), Line and Trunk Interface (Page-4), Modems and Support Components (Page-5), Custom Hybrids (Page-6), Digital Switching (Page-7), Primary Rate Interface (Page-8), Basic Rate Interface (Page-9), Rate Adaptors (Page-10), Codecs and Digital Phone Components (Page-11), Common Control Products (Page-12), Software (Page-13), Development /OEM Products (Page-14), Applications Notes (Page-15), Mitel Semiconductor Telecommunications engineering 621.382,MIC 20221208115307.0