Anatel 200 - ISDN Dual Voice Adapter

The Anatel 200 allows PSTN calls over ISDN to allow legacy analogue telephony equipment to be used on ISDN lines. Now you can plug your fax, answerphone or even modem into your ISDN line.

ISDN Contribution Package

A complete package allowing easy participation in live radio shows remotely without the need to use a radio car or visit the studio.

Matrix - 15kHz ISDN, PSTN and GSM Digital Audio Codec

The Comrex Matrix provides both ISDN and PSTN full duplex links of 15kHz, and interfaces to the cellular network to provide enhanced audio quality via a mobile phone connection. Fully compatible with all modes of the Vector and HotLine PSTN codecs, the Matrix provides a two-channel audio input mixer with additional tape input, comprehensive call handling and automatic interfacing to Matrix, Vector and HotLine codecs.

Pronto 2 & 3 - ISDN Audio Codec

Stereo ISDN audio codec designed for those users who demand higher quality in their ISDN connections.

Pronto-Net - ISDN / IP Audio Codec

Provides high quality stereo audio over ISDN or a computer network using its built-in Ethernet port. Latest generation AAC (advanced audio coding) algorithms are included for improved quality / lower delay.

Pronto-Net LC+ ISDN / IP Audio Codec.

Pronto-Net LC+ - Entry-level ISDN / IP Audio Codec.

Provides high quality stereo audio over ISDN or IP. Based on the Pronto-Net full-featured ISDN / IP Audio Codec, this cut-down version can be upgraded to full Pronto-Net functionality.

VX-2039 - Dual ISDN 4-Wire Audio Adaper

The VX-2039 4-Wire Adapter for ISDN provides two independent true 4-wire circuits on a single ISDN-2 service similar to a dual-channel hybrid and accepts PSTN calls delivered over ISDN