fuction: 1.recording the call: using the trb can realize the process of call. two ways to startup: a. auto-recording: when you pick up the telephone, the trb will record automatic and when you put down it will stop recording. this way can record the call from the beginning to the end. this usually used to some important occasion/conversation. b. start up by your hand: using this way you can start or stop the recording at any time by pressing the recording button on the main interface. using this wa y you can choose the important contents to record. 2.manage the voice data: you can set up various telephone ring, calling color music, calling number pop up, auto-leaving message, recording way,telephone refusing, telephone notebook,history recording, and so on. 3.leave message: the trb has the auto reply and record function which just like a telephone replying recording machine. the user can enact the times of the librations, when exceed the times and no person to answer, the trb will give answer and take a message for you. the user also can record the reply contents at will, saving or change then at anymoment. dear manager: our company is an industry leader in the design, development and production of high quality electronic 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 tel: 86-755-83756060 fax: 86-755-83755169