9个数字复式二中二多少组简介:If you want to communicate, you can use a pager, and then go to the phone booth to dial back. It's so troublesome. Installing a regular phone costs tens of thousands, and that's not counting. Whether you answer the phone or make the call actively, it has to be two-way. Charges.
If you want to communicate, you can use a pager, and then go to the phone booth to dial back. It's so troublesome. Installing a regular phone costs tens of thousands, and that's not counting. Whether you answer the phone or make the call actively, it has to be two-way. Charges.