Yealink SIP-T22 - Manual (Page 6)

User Guide for the SIP-T22P/SIP-T22 IP Phone
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Packaging Contents on page 9
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Phone Status on page 13
Major updates have occurred to the following sections:
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LED Instructions on page 4
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Backlight on page 17
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Anonymous Call on page 94
Major updates have occurred to the following sections:
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Appendix A - Time Zones on page 131
Major updates have occurred to the following sections:
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LED Instructions on page 4
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Ring Tones on page 26
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Remote Phone Book on page 41
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Anonymous Call on page 94
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Troubleshooting on page 119
Major updates have occurred to the following sections:
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Phone Status on page 13
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Call Transfer on page 84

Appendix A - Time Zones on page 131
Major updates have occurred to the following sections:

Phone Status on page 13

Remote Phone Book on page 41