Next Gen Telecom mCarbon launches 'Call-me-back' service for Airtel Pre-paid subscribers! by Telecomblogs on December 28, 2012 mCarbon, a leading mobile Value Added Service (VAS) provider, has inked another service delivery deal with Airtel by unveiling its ‘Call-me-back’ service for prepaid subscribers, where a user can request their family and friends to read more
