... s PSTN, which include fixed line PSTN, wireless CDMA PSTN, wireless GSM PSTN, NGN PSTN etc., are greatly ... year ago, we rolled out new generation wireless PBX and IP PBX. With these new weapons, we attended ... are the main functions of TelePower’s wireless PBX and IP-PBX 1. Strong interface capacity: can ... access to PSTN, CDMA, GSM, and IP networks.2. Optimized call route: can access to different ...