Greeting the caller, reporting that all the operators are busy at the moment, plays music during waiting in queue, requests to stay on the line as the next available operator will pick up exactly your call.
AddPac AP-GS1001C is an entry level VoIP-GSM gateway, designed to work with one GSM channel. The device allows you to connect to the VoIP-telephony, analog lines and GSM networks. At the same time, users are able to transfer traffic in any direction lines are connected to: VoIP to GSM; an analog network to GSM; from analog to VoIP network.