how long will a customer wait to call This topic has 1 reply, 1 voice, and was last updated 16 years, 6 months ago by VK. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts 7th April 2008 at 16:57 #51791 Adela SanchezGuest at the peak hours, How long will a customer wait to call back. 9th April 2008 at 06:23 #51792 VKGuest It depends on BHCA, congestion in your network. Author Posts Viewing 2 posts - 1 through 2 (of 2 total) The forum ‘Telecom Design’ is closed to new topics and replies.