Yealink Yealink SIP-T28P, Administrator'S Manual

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About This Guide
ix
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Logo Customization on page 59
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Softkey Layout on page 62
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Key as Send on page 65
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Call Log on page 78
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Live Dialpad on page 84
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Auto Answer on page 88
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Call Completion on page 90
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Anonymous Call on page 91
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Anonymous Call Rejection on page 93
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Busy Tone Delay on page 99
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Return Code When Refuse on page 100
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Early Media on page 101
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180 Ring Workaround on page 101
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Use Outbound Proxy in Dialog on page 103
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SIP Session Timer on page 104
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Session Timer on page 105
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Call Return on page 127
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Transfer via DTMF on page 136
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Intercom on page 137
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Automatic Call Distribution on page 159
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Message Waiting Indicator on page 162
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Multicast Paging on page 164
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Call Recording on page 168
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LLDP on page 186
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VLAN on page 189
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VPN on page 192
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Quality of Service on page 195
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Configuring Audio Features on page 211
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Secure Real-Time Transport Protocol on page 229
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Appendix B: Time Zones on page 266
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Phone user interface for each feature