Product: 1 channel Fuction: 1.Recording the call 2.Manage the voice data 3.Leave message Dear manager: Our company is an industry leader in the design, development and production of high quality security systems and components.We focus mainly on manufacturing DVR video capture card and CCTV camera. And nowadays, we have developed two new communication products: wireless data module and Telephone recording box. They are really new products and we are sure will attract your attention a lot. Also your OEM solution is extraordinary welcome. We will try our best to satisfy your OEM design. High quality, sincere service and low price is our value and our promises to our customer. Hope we can cooperate! Best Regards! Contact person:Jancy E-mail: sales06(at) hkhuawei net MSN:huawei0602(at) hotmail com Skype:jancy20061 YAHOO:jancy_20062000 ICQ:418118540 Tel: 86-755-83756060 FAX: 86-755-83755169