Telephonic communications
With usage measurement
Call charge metering or monitoring
Inventor
active
No associations
LandOfFree
Ravi Devl Venkata Sathi does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Ravi Devl Venkata Sathi, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Ravi Devl Venkata Sathi will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-3112936