Within the rapidly changing market we are witnessing today, free calls are
greatly promoted to cater to the demand of tech savvy customers. Consequently,
many mobile subscribers receive calls from unknown callers and cannot know the
purpose of these calls before answering. Here it is where Call Signature emerges
as a new and efficient revenue stream for mobile operators.
With this simple, yet innovative service, mobile operators reduce call rejection rates, enhance voice revenue and improve customer loyalty.