Telephone operation, Customizing the handset, Choose handset ringer sound – AT&T 1187 User Manual

Page 12: Set handset display date and time, Choose handset display language

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Telephone operation, Customizing the handset, Choose handset ringer sound | Set handset display date and time, Choose handset display language | AT&T 1187 User Manual | Page 12 / 48 Telephone operation, Customizing the handset, Choose handset ringer sound | Set handset display date and time, Choose handset display language | AT&T 1187 User Manual | Page 12 / 48
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