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mdr series relay recorder product description mdr series relay recorder adopts high-impedance and parallel mode, and is mainly used for recording and monitoring e1/t1. due to the use of high-impedance parallel recording, there is no impact on call quality. ● stand-alone supports 1-4e1/t1 line recording. ● supports multiple speech encoding formats such as g.711, adpcm, gsm, and g.729a. ● supports automatic gain adjustment (agc). ● support signaling such as no.7, no.1 and isdn, and can be flexibly configured according to user requirements. ● provide high compression rate, the current system maximum compression rate 1kb/s. ● the system has an automatic synchronization and dual backup function to effectively provide voice data security. ● can completely detect and record all outgoing calls and caller id numbers. ● the direction of discrimination, you can distinguish the direction of the call, such as incoming or outgoing. ●through the network development interface, it is possible to query and play recording files according to the channel number, time, telephone number, call duration, call remarks, operators, and other combinations of conditions, support various development platforms, and perform effective information exchange with other systems. ●the device can automatically alarm for errors, operation overrides, or insufficient hard disk storage. it is equipped with multiple network interfaces to ensure the smooth flow of data and support remote maintenance and upgrade. ●supports unified network management. industry application: service hotline telephone recording; complaint telephone recording; call center recording; banking recording; court forensics; public security alarm telephone recording; insurance recording; corporate office recording; power, railway, transportation, aviation, hotel, mining scheduling recording. typical networking: |