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Call-Handling and Navigation Tips
These guidelines can help you handle calls and navigate menus on your Cisco Unified IP Phone.
Understanding Lines vs. Calls
It is sometimes easy to confuse lines and calls on your phone. Use these tips to avoid confusion:
Lines
The Cisco Unified IP Phone 7905G and 7912G are single-line phones, which means they support one
line per phone extension. Your phone support team can configure your line to support from one to six
calls. So you might find yourself handling several calls, even though you have only one line on your
phone.
Calls
Calls can have different states. Only one call can be active at any given time. An active call is a
connected call or a call in-progress (you are dialing a number or an outgoing call is ringing). Other
calls must be ringing in, on hold, or remote in use (for shared lines).
Going On-Hook and Off-Hook
Some phone tasks and instructions differ depending on whether the phone is on-hook or off-hook.
• On-Hook—The phone handset is resting in the cradle, no calls are active, and you do not have an
active dial tone. Your phone provides on-hook dialing, which enables you to enter or choose
phone numbers before activating the call.
• Off-Hook—The phone handset is lifted from the cradle, or you have pressed Dial or NewCall to
get a dial tone.
