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Hiding my caller ID (P710)
With this setting your phone number will not be transmitted to any phones you call. The function must be set for each
identity separately.
Please note that your call may not be accepted if the other phone is set to reject anonymous calls (see next item).
Setting on the phone
On the phone, the function is applied to the identity selected as the current identity for outgoing calls.
Select each identity as outgoing identity in turn and select and save the function.
Press > > .Call Features Outgoing Calls
Select and press to change the setting from to and vice versa.Hide own outgoing ID no yes
Press briefly to return to the previous menu, press for two seconds to return to the idle screen.