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Available Voice Modules

For a more detailed description of the Analog Voice Modules, see the Analog Voice Modules section in the Passport 4400 Hardware Manual.

For Passport 4430/50/55

  • AVM/1

Single Channel Analog Voice Module

  • AVM/2

Dual-Channel Analog Voice Module

  • UAVM

Universal Analog Voice Module (can contain the following interface modules)

  • VIM/E&M

E&M Voice Interface Module

  • VIM/FXO

FXO Voice Interface Module

  • VIM/FXS

FXS Voice Interface Module

  • VM/FS

Voice/Fax Switch Module


For Passport 4460

  • FXS/2

Dual Channel FXS Voice Module

  • FXS/4

Quad Channel FXS Voice Module


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