Yamaha CS-700 Operation Manual page 33

Maximum call duration allows setting a maximum number for a phone call in
minutes. The default of "0" means no maximum.
If a dial plan is required for the phone please enter the dial plan string here.
See the Appendix for a definition of the dial plan string.
Forwarding Settings
The Forwarding settings allow specifying under which conditions calls should
be forwarded, and to which number.
Camera Settings
The Camera settings area allows reviewing the current settings of the camera,
and allows applying them as home settings or default settings.
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