190913
In 1979 , Jean-Claude Asscher founded Tekelec , Inc. as a North America n company specializing in telecommunications products , such as telecommunications test equipment initially .
 Tekelec, North America
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Tekelec, North America