Unable to insert the card's Goip device.

There is no goip device that cannot be inserted. Goip devices can choose whether to insert cards or not, so there is no GoIP device that cannot insert cards. Goip device is a hardware device that can realize virtual dialing in network communication. It can support the access of mobile phone cards and realize the mutual conversion of network data and telephone signals. A device can operate hundreds of SIM cards of mobile phones at the same time, or it can directly obtain the information of a SIM card from a different SIMPool without inserting a card. The operator base station registered at the location of the device can make calls and send and receive short messages, thus realizing the separation of people from GoIP devices and SIM cards.