Average Co-Inventor Count = 4.00
ph-index = 2
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Nortel Networks Corporation (1 from 4,171 patents)
2. Northen Telecom Limited (1 from 3 patents)
2 patents:
1. 6304649 - Method and system for processing an incoming call
2. 5793858 - Method for improving call completion rates in telephony