Operation Manual

User Guide SIP-T28P IP Phone
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 Remote Phone Book on page 46
 Anonymous Call on page 106
 Troubleshooting on page 131
Major updates have occurred to the following sections:
 Phone Status on page 14
 Call Transfer on page 96
 Appendix A - Time Zones on page 143
Major updates have occurred to the following sections:
 Phone Status on page 14
 Remote Phone Book on page 46
The following sections are new:
 Recent Call In Dialing on page 79
Major updates have occurred to the following sections:
 Basic Network Settings on page 15
 Keypad Lock on page 25
 Contact Management on page 31
 DSS Keys on page 53
Major updates have occurred to the following sections:
 Keypad Lock on page 25
 Volume on page 29
 Ring Tones on page 29
 Call Completion on page 83
 DSS Keys on page 53
 Do Not Disturb (DND) on page 86