Easiest Job you will ever bid for: recommendation of software that I can call clients without revealing my cell phone number

Looking for recommendation of a software that will enable me to call clients from my personal cell to avoid giving out my cell number via caller ID and having to use *67 . Furthermore I would like the ability to set the number they see to be my business phone number, without porting it, or any other phone number I chose. The ideal solution should have web interface, soft dial pad, and also an app that can be downloaded and use on my phone. so basically a cloud based communication system All i am doing is paying for information. If the solution you recommend works and meets my needs then you will be awarded the contract and paid at the same time. WILL ACCEPT ALL BIDS