Cortelco 2757 - Manual (Page 40)

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3.3.12 Set Time Zone
The 2757 supports time zones based on GMT.
3.3.13 NTP Server Address
The 2757 keeps time based on signals from a Network Time Protocol (NTP) server. Enter a valid
NTP server address here.
3.4 Entry of Call Forward numbers from phone
Call forwarding numbers can also be set from the phone.
1. Press ‘Menu’. Use ‘Up’ and ‘Down’ to select the third item: ‘3. Settings’. Press ‘Select’ key.
2. Select ‘System Configuration’ using ‘Up’, ‘Down’, and ‘Select’.