Number of voice channels supported (max)

  • 8
  • 3
  • 3
  • 3
  • 3
  • 1
  • 5
  • 4
  • 4
  • 4

IP Communications Voice/Fax Network Module

Cisco 4-Port ISDN BRI S/T High-Speed WAN Interface Card, Wired, Ethernet, 2.8" (71.1 mm), 4.75" (120.7 mm), 0.748" (19 mm), 7.2 oz (204 g)

ATA 190 Analog Telephone Adapter, 153g, Black

4-port BRI S/T digital voice/fax expansion module

7-port voice/fax expansion module-3FXS/4FXO

6-port FXO analog voice/fax expansion module

8-port voice/fax expansion module-FXS/DID

8-port voice/fax expansion module-FXS/DID, sPARE

IP Communications Voice/Fax Network Module

IP Communications Voice/Fax Network Module, Refurbished