The first decade of activity

 

 

 

•    During the first 10 years of activity, the R&D group of PTK designed a series of analog SPC PABX switching systems from 10 to 256 ports.
•    Marketed and installed more than 1,000,000 ports
•    our R&D group started to develop a series of digital SPC PABX’s:
•    PDX1
•    Industrial processor modules
•    To be operated as a terminal rural exchange
•    The system evaluated and approved by ministry of PTT
•    150,000 ports were installed in rural areas throughout the country.
•    PDX5
•    5k port system
•    Designed as a rural exchange
•    More than 200k ports were put in to operation.
•    PDX10
•    Advanced 10k architecture
•    Expandable to 64k by easily adding similar modules without traffic degradation
•    300k ports of this system was manufactured and put into operation in several suburban areas throughout the country