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Telephone Expansion Board (FXO) (700-15-03) (LAST TIME BUY)

6/3/2021

  • Provides a standard interface for up to 4 PSTN lines or other third-party telephony devices
  • Up to 4 Telephone Expansion Boards per MIU
  • Allows outside callers to access the Mercury system and reach individual subscribers or conference automatically or via an operator
  • Enables Mercury users to make and receive outside phone calls from anywhere on the system