abdallahessam Free User Joined Jan 22, 2023 Messages 18 Reaction score 0 Mar 26, 2023 #1 Dears, I need to setup sip trunk between my 3cx server and grandstream GXW4501 but it always being "rejected" what's the correct credentials should I use in 3cx and grandstream to make authentication correct Attachments 1.jpg 38.6 KB · Views: 14 trunk.jpg 115.3 KB · Views: 15
Dears, I need to setup sip trunk between my 3cx server and grandstream GXW4501 but it always being "rejected" what's the correct credentials should I use in 3cx and grandstream to make authentication correct