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Connect the telephone to your system. Telephone line powered twisted-pair cable PSTN PABX Operation -Receiving calls: Lift the handset when ringing -Making calls: Lift the handset to dial out -Ending calls: Handset On-hook Installation INDUSTCOM TECHNOLOGY LIMITED E: info@industcom.com T: +86 755 2981 3939...
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Setting the number to call every few days, where = 3- *#9999#72?# 16 digits Setting the duration of calls made every few days, where = 0-99s, to make sure the number you set up is *#9999#73?# online INDUSTCOM TECHNOLOGY LIMITED E: info@industcom.com T: +86 755 2981 3939...