1- I want to use CDMA 1900 MHZ SIM for out going calls from my ASTERISK PBX with HUAWEI modems. For this purpose i have HUAWEI EC series modems. Is there any body who could make these modems compatible with asterisk?
2- I need a software for change of IMEI number of HUAWEI modems , specially HUAWEI E173. What will be the cost?