ISUP optional forward call indicators This topic has 1 reply, 1 voice, and was last updated 12 years, 7 months ago by dax. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts 13th August 2011 at 07:03 #66944 daxGuest Hi How to remove the sending of optional forward call indicators in IAM message? MSC is Ericsson. Thx for your response. 14th August 2011 at 17:46 #66945 daxGuest Hello Any clue? Thk Author Posts Viewing 2 posts - 1 through 2 (of 2 total) The forum ‘Telecom Design’ is closed to new topics and replies.