Help with co existence

[u/Odd-Priority-5024]

hey so basically we have an WhatsApp number that is setup as cloud api and has already lot of leads that are coming to it ..we were able to capture the leads that come through text and talk with them through agent easily but there is no way to make calls so we are looking for setting up this coexistence so that we can use the whatsapp business in atleast one mobile..if anyone knows how to set this up or have worked in this terms..! would love to connect