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. There are two different models of Telephone Call Counters 1-It works with signal .12Khz/16Khz or reversal signal 2.It works without signal or only with signal at beginning call, it work with program. 1- KS6 ( with signal ) It operates upon reception of a 12 or 16 Khz or reversal signal from the telephone company. It is a classical call counter device displaying the call charge in terms of monetary and counter units. 2.1 T6N ( without PTT signal ) It works without signal come from PTT . Counter's time and price of place which will be called are programed to the machine 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, Zeki Desilmez DESAN LTD. www.desilmez.com Fax : +90 324 2332148 Tel : +90 324 2375575