For the most part, no, same thing, same workarounds, use 3rd party apps or self-care portal.
Some new phones do allow that, like the 8841
Step 1 Press Forward all on any idle line from which you want to forward all calls.
Step 2 Enter the call forward target number exactly as you would dial it from your phone, or select an entry from your list of recent calls.
http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cuipph/8800-series/english/userguide/P881_BK_C3A802A0_00_cisco-ip-phone-8800-user_guide.pdf
HTH
java
if this helps, please rate