SIP Caller connects to your own Phone System
SIP Caller is a cloud based phone dialer that leverages the telephone capabilities of your existing Phone System. It connects to your Phone System, which can be on-premise or hosted in the cloud, as a remote extension using the open standard SIP and RTP protocols.
Once connected as a remote extension, SIP Caller will initiate calls through your Phone System, and your customers will see your own number as the caller. If they call you back in case of a missed call, they will reach you directly.