Linksys SPA921 Cisco Small Business IP Phone SPA9XX User Guide - Page 71

Using Advanced Phone Features Using Star Codes 4 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 16 17 18 19 36 37 38 39 56 57 66 67 68 69 Definition Activate Secure Call feature for all calls.* See Using Secure Call, page 59. Deactivate Secure Call feature for all calls.* See Using Secure Call, page 59. Activate Secure Call feature for a single call.* See Using Secure Call, page 59. Deactivate Secure Call feature for a single call.* See Using Secure Call, page 59. Pick up a call at another extension.* See Picking Up a Call, page 50. Pick up a group call.* See Picking Up a Call, page 50. Park a call.* See Parking a Call, page 50. Unpark a call.* See Parking a Call, page 50. Activate call waiting. See Turning Call Waiting On and Off, page 49. Deactivate call waiting. See Turning Call Waiting On and Off, page 49. 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. Block Caller ID. See Blocking Caller ID, page 58. Unblock Caller ID. See Blocking Caller ID, page 58. Calls the last number that called your phone. Cisco Small Business IP Phone SPA9XX User Guide 70