Voip call meter

Dear Sir, We have been producing telecommunication devices in Turkey since 1981. We specialize in manufacturing of Telephone Call Counters. Telephone calls are billed by device at the moment These devices are used by private people, companies such as, shops, restaurants, hotels, kiosks and also by the state post offices. 2.2 T6V ( For Voip IP system ) It uses with gateway.All countries and with their GSM numbers can be entered General Features: It feeds directly from ptt line. Not need extra battery It has LED display. It can be connectted with extra monitor. It can be programing from remote It has password for security It can be show daily and monthly total Best Regards.