With the interchangeable quad-FXS and quad-FXO modules, these analog cards can eliminate the requirements for separate channel banks or access gateways.
Scaling of an analog card solution is accomplished by simply adding additional cards.
Openvox ISDN BRI Cards turn your legacy ISDN BRI equipment into powerful Voice over IP devices and provides a soft migration path from ISDN technology to the new Voice over IP world. It brings powerful ISDN BRI connectivity to your Linux machine.
It’s supposed to be the most advanced 16 ports T1/E1/J1 Asterisk® card with superior quality in the open source community.The leading innovation ensures users to adjust the interrupt frequency to reduce the CPU load up to 70%.
Openvox Digital Cards supports Primary Rate ISDN (both N. American and Standard Euro) protocol families for voice, PPP, Cisco, HDLC, and Frame Relay data mode.Both line-side and trunkside interface are supported.
Hybrid Cards are versatile devices used for connecting your phone network to the PSTN world. This is accomplished through analog connected to the FXO port, phone handset connected to the FXS ports, digital lines connected to the BRI ports, and E1 ports.
The Hybrid Cards allow Asterisk to connect to your phone network, creating an office type telephony environment.
Openvox Transcoding Cards is a high density voice transcoding device. Because of low bandwidth requirements, the voice data compression codecs, such as G.729, G.726, iLBC, are commonly used in VoIP applications, the G.711 codecs are widespread in legacy telephone network.
It makes full use of multicore-DSP, which is able to convert more sessions of different codec modes such as gsm，ilbc, g729, g726, g723, g722, g711, amr, siren14. Based Multicore-DSP, it can convert more sessions of transcoding, reduce host CPU load.