1.Overview
This equipment is a advertising machine with 2 GSM modules, a telephone interface, can automatic to call out number, play IVR automatically, and call in. After the call is connected according to the process can be automatic response, users can freely set, can effectively help to improve the efficiency of voice advertising and marketing sale .

2.Main features

*Call in & Call out control route. 
*Can store up to 10000 calling task’s phone number and record of 1000 calling in number.
*2 GSM chip will call by turns, support remote control.
*Use Micro SD card to save record file, supports mp3, wav format , max storage is 32G Micro SD card.
*Dot matrix  LCD monitor.
*1 button used for Start / Pause the calling task or check the task status
*1 RJ11 phone jack, used to connect with desktop phone, used for local control or normal calling. 
*2 USB Jack, one used to transfer record file as a U Disk, the other is used to connect with the control
software in PC.
*DC 12V external power supply, or 5V Power Bank.

                                            Figure 4-2 Status
As Figure 4-2 show, select the correct COM port and click “Connect” button, then in the state of the page you can see the equipment work’s status. Click “new” button , import number file , the call task appears telephone number that save in number file. Click “start” to execute the calling task.

                                                                                      Figure 4-3 Configure page                                               
From Configure page, user can set the GSM volume, microphone sensitivity, automatic call enable, automatic dialing interval, waiting time, maximum talk time, task start time, task time period control, administrator phone number, call completion SMS pent to the administrator, the content of the SMS.

                                                                                Figure 4-4 Call out IVR
In Figure 4-4 Call out IVR , Event 1 mean :when the phone call connected and in the other end of the call input a key 3 number , then will send the Content of SMS to the phone you call. Event 2 mean when the phone call connected,after 10 secs, device will goto IVR1 process.

                                                                                                  Figure 4-5 Call In IVR
In Figure 4-5 Call In IVR , Event 1 mean :when the phone call connected after 10 secs ,the device will goto IVR1 process.

Photos Show of GSM Advertising terminal ETS-1688