1.11 Display Proprietary Telephone
User Manual 113
Group Call Pickup 1.3.3 Call Pickup
Directed Call Pickup 1.3.3 Call Pickup
Doorphone Call 1.9.1 Doorphone/Door Opener
Door Open 1.9.1 Doorphone/Door Opener
External Background Music 2.1.4 External Background Music (BGM)
Paging 1.6.1 Paging
Features Refer to
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