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| Lihoy > Telecommunications > Exchanges > Sell Telephone Exchanger |
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| 1) Adopts dual mode CID chip, compatible with FSK/DTMF CID receiving and transferring 2) Day/night mode with real time clock 3) Voice announcing EXT number 4) 11 chord melody music selectable, auto select adily 5) Hi-efficiency safe switching power, back up battery interface 6) External music input 7) Upgradeable module design.(From 416 to 848) 8) PC interface compatible with CDX charge software 9) Keep 1400 charge data while power off 10) Door phone interface 11) Broadcast call 12) Door opener 13.Alarm clock Guangdong Sino Source Imp.& Exp. Co.,Ltd.
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