Core Competencies: Projects

The following is a list of projects that we have been extensively involved with from inception to prototype to (in most cases) full scale production:

Analog subscriber interface:	Loop/Ground start, DID, POTS, Payphone, Two way ringdown, Telcordia CLASS services (call display), ETSI teletax metering
Analog Trunk interface:	E&M, R1, R2
Digital Trunk interface:	E1/T1, E3 with CAS, CCS, R1, R2, SS#5, V5.x Channelized and unchannelized OC-3
Radio Transceiver:	GSM (900 MHz, ETSI phase 2+) · high power narrowband transmitter · low noise high IP3 narrow band receiver
High Capacity Switching Fabrics:	TDM Circuit switched Packet switching Slow Frequency hopping
Baseband Signal Processing Algorithms:	R1, R2, DTMF, MF, Telcordia CLASS services (CPFSK MODEM), C-message weighted noise, AGC, RSSI. GSM signal processing (GMSK MODEM, voice source coding, FEC channel coding, and RF Power ramping and control)
Hot Swap Backplane Data Transport:	Point-to-point Drop and Insert LVDS SerDes Point-to-multipoint ST-Bus Point-to-multipoint HDLC
Power Supply:	Low noise system power distribution Thermal Management
Terminal Equipment:	POTS telephone, including plastic injection moulding of ESD proof enclosure