The number of shares outstanding is over 70 million for RNG. The market cap of RNG at $18.00 per share is in excess of $!.2 billion. From the information so far available, it would appear that the average monthly revenue from their business subscribers is $40.00. This compares to $270.00 for the average business subscriber of 8x8. The more recent average subscriber to 8x8 pays a monthly charge in excess of $385.00. Thus RingCentral and 8x8 would appear to be servicing businesses of different sizes.
Perhaps of greater importance is the total revenue numbers of RNG For the most recent 6 months ending 6-30-13 RNG reports $73 million in total revenues with a loss of $24 million, according to information on the web.