On-hold device
作者： Michael D Lynes , Giora Eyran , David Eric Ostergan
DOI:
关键词:
摘要: A system and a method for connecting an on-hold audio device to pager in PBX is disclosed. The include digitally downloading messages from server over communication link the so that convenient clear means distributing new provided. can also download updates operating system. apparatus preferably includes microcontroller, flash memory, data modem, DAA interface circuitry, processor circuitry conditioning circuitry.
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