There are thousands or maybe millions of IVR service provider companies in India. To find out which is the best service provider for you, you have to evaluate your business needs and according to them, you can choose the service. Here are things an IVR system should have: Automatic Call, Blacklisting, Call Recording, Call Tracking, CDR, and Customer Agent. https://sansoftwares.com/benefits-of-ivr-system-for-call-centers/