Using Advanced Phone Features
Using Star Codes
Cisco Small Business SPA50X and SPA51X Series SIP IP Phone User Guide
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You can set just one of these choices, if necessary.
Using Star Codes
Your IP phone can support numerous “star codes” to access phone
supplementary services. These codes, which start with *, are entered before
dialing a telephone number and provide services. For example, to block caller ID
(star code 67), you would dial *67, followed by the telephone number you are
calling.
Following is a list of commonly-used star codes. Some star codes may not be
available to you; consult your system administrator for more information.
Code
Definition
16
Activate Secure Call feature for all calls.* See
.
17
Deactivate Secure Call feature for all calls.* See
18
Activate Secure Call feature for a single call.* See
19
Deactivate Secure Call feature for a single call.* See
36
Pick up a call at another extension.* See
37
Pick up a group call.* See
.
38
Park a call.* See
.
39
Unpark a call.* See
56
Activate call waiting. See
.
57
Deactivate call waiting. See
66
Activate Call Back. Causes the IP phone to repeatedly dial a busy number
until the called party rings or answers. The IP phone then alerts you that the
call has gone through.