international silent calls This topic has 1 reply, 1 voice, and was last updated 12 years, 10 months ago by Mahmoud. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts 7th June 2011 at 09:30 #66549 Djo TshiabadalaGuest Dear, I want to know if the E1 frame structure & Tx/Rx line code mismatch can be the reason of silent calls. BR, 10th June 2011 at 15:14 #66550 MahmoudGuest Yes, Wrong E1 configuration can lead to cross talk and mute calls. Author Posts Viewing 2 posts - 1 through 2 (of 2 total) The forum ‘Telecom Design’ is closed to new topics and replies.