Use the sim card slot to realize virtual sim card connection -- 3

Hi! I'm looking for someone who can help me with a project that involves using the sim card slot to realize virtual sim card connection. I have an existing product in mind, but I would like to make a simplified version of it to reduce costs. There is no rush, so there is no specific time limit for the completion of the project. I need help from someone knowledgeable in building a remote sim card control module 4g ​​voice module.To make a simplified version of this, you only need to remotely control the sim card. and voice calls.