Cisco High Density VoiceFax Network Module - Voice / fax module - expansion slot - FXO - analog ports: 6 - refurbished -

Cisco High Density VoiceFax Network Module - Voice / fax module - expansion slot - FXO - analog ports: 6 - refurbished - for Cisco 28XX, 28XX V3PN, 29XX, 38XX, 38XX V3PN, 39XX

The Cisco High Density Digital T1 / E1 Voice / Fax Network Module provides a flexible and scalable T1 / E1 voice solution for Cisco 2600, 2600XM, 2691, 3600 and 3700 series Voice Gateway Routers and supports up to 60 voice channels in a single network module. This network module supports both on-premise and off-premise connections to both Private Branch Exchanges (PBXs) and Public Switched Telephone Networks (PSTNs). For enterprise branches, large businesses and offices wishing to implement robust IP Communications infrastructures, these set of network modules leverage investments in existing legacy telephony equipment and enables the deployment of packet voice applications while reducing recurring telephony charges.