General PABX Talk


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[1] Can key telephone systems be used multiple times i

[2] All systems has + & - sides should I chose old or new system for my phones?

[3] Miniature 10-line telephone exchange using 22 relays

[4] Help ID this Phone Systerm or Intercom System

[5] Make brake ratio important or not?

[6] Help! I need to make a galvanic isolation on my trunk line.

[7] Home PBX Recommendation Discussion

[8] PABX from China

[9] Why Ground Start trunks on PABX's? Please Explain


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