Find Mianyang 400 processing center: Mianyang Meiya Network Company, choose the number or annual package, and you should say hello to how much it costs per minute. Generally 0. 15 yuan/min. Then pre-emptively release the number, sign the contract, pay the fee, record the color ring back tone and upload it, and finally set the number to be bound and other seats. You can bind 20 mobile phones.