Fax This topic has 0 replies, 1 voice, and was last updated 21 years, 2 months ago by Jessica. Viewing 1 post (of 1 total) Author Posts 11th November 2003 at 15:39 #25665 JessicaGuest Would anyone know why my Call Relay is having difficulty completing fax tones? Author Posts Viewing 1 post (of 1 total) The forum ‘Voice over IP’ is closed to new topics and replies.