Timestamps:
- 3:29
- 5:01
Album credits don’t mention any guitarist, only James Wirrick in instruments. I guess he played it? https://sylvesterofficial.com/discography/call-me/
I think especially the second solo is pretty good, thought maybe some big guitar name from those days had played it.
A minor correction: it turns out that you refer not to the album version but the remix. This is the Discogs page for all releases of the remix, and the credits list four guys having made it. However, the guitar parts you mention are present in the original too, though seemingly less pronounced (if the Youtube upload is accurate).
Btw, if you dig Sylvester, check out Patrick Cowley, his friend and collaborator. Sylvester signed up on Cowley’s and Marty Blecman’s Megatone Records label after having decided to change direction from disco in '82. I’m not into hi-NRG myself, but I like the compilation of his tunes used for gay porn and slowed down by John Coletti, the producer of said porn: ‘School Daze’, released by Dark Entries.