Average Co-Inventor Count = 2.00
ph-index = 3
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. At&t Intellectual Property I, LP (4 from 16,507 patents)
2. Bellsouth Intellectual Property Corporation (1 from 987 patents)
5 patents:
1. 9060076 - Methods and systems for managing a call session
2. 8462915 - Methods and systems for managing a call session
3. 8036342 - Methods and systems for providing foreign call back number compatibility for VoIP E9-1-1 calls
4. 7756253 - Methods and systems for providing foreign call back number compatibility for VoIP E9-1-1 calls
5. 7573982 - Methods and systems for managing a call session