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Using Advanced Phone Features
Using Star Codes
Cisco Small Business Pro IP Phone SPA 525G (SIP) User Guide 75
4
Using Star Codes
The Cisco SPA 525G supports 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 supported star codes:
Code Definition
03 Request media loopback for a call to monitor Voice over IP quality.
16 Activate Secure Call feature for all calls.* See Using Secure Call,
page 61.
17 Deactivate Secure Call feature for all calls.* See Using Secure Call,
page 61.
18 Activate Secure Call feature for a single call.* See Using Secure Call,
page 61.
19 Deactivate Secure Call feature for a single call.* See Using Secure Call,
page 61.
36 Pick up a call at another extension.* See Picking Up a Call, page 47.
37 Pick up a group call.* See Picking Up a Call, page 47.
38 Park a call.* See Parking a Call, page 48.
39 Unpark a call.* See Parking a Call, page 48.
66 Activate Call Back.
Causes the Cisco SPA 525G to repeatedly dial a
busy number until the called party rings or answers.
69 Calls the last number that called your phone.
72 Activate Call Forward All. See Forwarding Calls, page 43.
73 Deactivate Call Forward All. See Forwarding Calls, page 43.
77 Activate anonymous call blocking. See Blocking Anonymous Calls,
page 60.