Michael Tasker Email & Phone Number

Salem Oregon

Provides technical consulting services includingVoIP, SIP, H.323Digital & Analog Telephony, FaxContact CenterDigital Signal Processing (DSP)Intellectual Property and PatentsTechnical Writer and Technical Documentation Review, published technical authorReal-Time Embedded SystemsC programing

Santa Clara

ArchitectIP OfficeIP Office Contact Center

San Jose CA

Worked on voice over packet, Unified Communications, DSP and TDM, H.323, SIP, SCCP, FRF-11 telephony signaling technologies embedded in Cisco IOS based CPE routers (ISR), including Frame-Relay, voice-over-ATM and RTP for voice-over-IP. Worked with G.711, G.723 and G.729AB voice compression, echo cancellers, as well as Fax-Relay including T.38. Worked with.

San Jose CA

Worked as both an individual contributor and also led a very small team of 5-6 engineers working on application specific DSP devices based on DSP Group’s Oak and Pine DSP ASIC core technology. Developed custom DSP devices for early generations of consumer digital answering machines (TAD), as well as for audio processing in early H.324 video telephony.

Milpitas CA

Worked for Octel on voicemail and fax store-and-forward systems. Designed and programmed a second generation voicemail DSP linecard using Intel 80386 and Texas Instruments C30 floating point DSP devices, upgrading the system from voice-store-and-forward voicemail to also include fax store-and-forward to support unified voice and fax mail used in both.

Manchester, United Kingdom

Designed and developed 2 generations of linecard systems with analog telephony interfaces for one of the industry’s earliest voicemail systems, including some custom asics. Worked with Motorola, Intel and Zilog based microprocessors, mostly in assembly language. Designed custom programming language for controlling IVR user interface. Wrote a real-time.