How to enable web access on a Cisco 7960G via CLI or menu

Asterisk Asterisk Support
1

I think the Cisco 7960G has been disabled for web access via probably a callmanager.

Question:

Is there a way to enable web access on a Cisco 7960G via CLI or menu ?

Another question:

Is there a key sequence to reboot the Cisco 7960G ?

THX a lot !