The Cisco NM-HDA-4FXS is a high-density analog voice/fax network module that provides 4 FXS ports for connecting analog telephones or fax machines to a Cisco router. The NM-HDA-4FXS supports a variety of voice and fax features, including:
- VoIP H.323
- VoIP session initiation protocol (SIP)
- VoIP Media Gateway Control Protocol (MGCP)
- Voice over Frame Relay (VoFR)
- Voice over ATM (VoATM)
- VoATM adaptation layer 5 (VoAAL5)
- Trunked ATM adaptation layer 2 (AAL2)
- Hookflash support
- Caller ID support
The NM-HDA-4FXS also supports Cisco’s Power over Ethernet (PoE) feature, which allows you to power the module and connected devices using the same Ethernet cable.
The following are the technical specifications of the Cisco NM-HDA-4FXS Network Module:
- 4 FXS ports
- Supports a variety of voice and fax features
- Supports Cisco’s PoE feature
- Compact and easy to install
The Cisco NM-HDA-4FXS Network Module is a versatile and powerful analog voice/fax network module that can be used to provide a variety of voice and fax services.
Here are some of the benefits of using the Cisco NM-HDA-4FXS Network Module:
- Compact and easy to install: The NM-HDA-4FXS is a compact module that is easy to install in your router. This makes it a convenient way to add analog voice/fax connectivity to your network.
- Support for a variety of voice and fax features: The NM-HDA-4FXS supports a variety of voice and fax features, which gives you the flexibility to connect to a wide range of devices.
- Support for Cisco’s PoE feature: The NM-HDA-4FXS supports Cisco’s PoE feature, which allows you to power the module and connected devices using the same Ethernet cable. This is a convenient way to power your analog voice/fax devices.
Overall, the Cisco NM-HDA-4FXS Network Module is a versatile and powerful analog voice/fax network module that can be used to provide a variety of voice and fax services.
