Average Co-Inventor Count = 3.43
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. Avaya Inc. (1 from 2,328 patents)
2 patents:
1. 7886006 - Method for announcing e-mail and converting e-mail text to voice
2. 6940959 - Remote broadcast of call announce and call screening information