Understanding Line and Call Icons
Your phone displays icons to help you determine the call and line state (on-hook, on hold, ringing,
connected, and so on).
Icon
Call or line state
On-hook line
Off-hook line
Connected call
Ringing call
Call on hold
Remote-in-use
Authenticated call
Encrypted call
Understanding Feature Availability
Depending on your phone system configuration, features included in this Phone Guide might not be
available to you or might work differently on your phone. Contact your support desk or system
administrator for information about feature operation or availability.
Understanding SIP vs. SCCP
Your phone can be configured to work with one of two signaling protocols: SIP (Session Initiation
Protocol) or SCCP (Skinny Call Control Protocol). Your system administrator determines this
configuration.
Phone features can vary depending on the protocol. This Phone Guide indicates which features are
protocol-specific. To learn which protocol your phone is using, you can ask your system administrator
or you can choose
12
Description
No call activity on this line.
You are dialing a number or an outgoing call is ringing.
You are connected to the other party.
A call is ringing on your line.
You have put this call on hold. See
Another phone that shares your line has a connected call. See
Understanding Shared Lines, page
See
Making and Receiving Secure Calls, page
See
Making and Receiving Secure Calls, page
> Model Information > Call Control Protocol on your phone.
Using Hold and Resume, page
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