PRB: Brooktrout ISDN board ignores calls if channel 0 is set to send only ZTN1071 - PRB: Brooktrout ISDN board ignores calls if channel 0 is set to send only
PRB: Brooktrout E1 solution does not answer inbound calls. ZTN1072 - PRB: Brooktrout E1 solution does not answer inbound calls.
HOWTO: Using Cardiff TELEform and Zetafax with a fax modem ZTN1069 - HOWTO: Using Cardiff TELEform and Zetafax with a fax modem