E&M Cards

5 types :

  • Type I
  • Type II
  • Type III
  • Type IV
  • Type V

Cisco does not support Type IV

They can support any one of the following signaling

  • Immediate Start
  • Wink Start
  • Delay Start

when you use it to connect 2 PBX , you must match the type and the signaling method

 

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