SAPI Message This topic has 1 reply, 1 voice, and was last updated 16 years, 9 months ago by NarChai. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts 22nd June 2007 at 05:03 #47915 KKGuest Hi, Would anyone explain me SAPI (0) & 3. Many thanks BR KK 22nd June 2007 at 08:56 #47916 NarChaiGuest SAPI 0 = Radio Signaling (RSL) 62 = O&M 63 = Layer 2 management 3 Author Posts Viewing 2 posts - 1 through 2 (of 2 total) The forum ‘Telecom Design’ is closed to new topics and replies.