SOS please This topic has 1 reply, 1 voice, and was last updated 14 years, 7 months ago by Mick. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts 20th April 2010 at 08:51 #62256 ASDGuest can any one who has a good experince with SS7 signalling , expalin the release cause ”recovery time expir” is it the orgination office problem or destination please BR 20th April 2010 at 13:14 #62257 MickGuest For example, when Terminal Portability (ISDN feature) timer expiry of waiting RES Author Posts Viewing 2 posts - 1 through 2 (of 2 total) The forum ‘Telecom Design’ is closed to new topics and replies.