I am unable to forward calls using Jabber, I have used several different version but alwyas get "Call forwarding is not successful" From CUCM if I manually call-forward the call it works. If I try call-forwarding from a deskphone it works fine, the DN (shared lines) on Jabber client fail.
If anyone has encountered this issue or has any troubleshooting steps please let me know.
My first thought would be the CFWD CSS on the Jabber CSF device (or are you using deskphone control?).
Is it only failing on external number? can you CFWD All to internal extensions?