2.8 Using User-supplied Equipment128 OperationOpening the doorSome extensions may be restricted from performing this function.From a specified extensionFrom any extension while talking to the doorphone• You can set or cancel this feature by simply pressing the Doorphone Call Forwarding toOutside Line button.If set, the button light turns red.• Time limitA call between a party at a doorphone and an outside party is restricted by the system timer(Default: 0 sec. [no limit] ).The call is disconnected when the time runs out.• If at least 1 feature has been changed from the default setting, you normally hear dial tone2 when going off-hook. However even if you set this feature, dial tone 2 will not be heard.(Refer to 5.4.1 What is This Tone? — when going off-hook.)The Doorphone Call Forwarding to Outside Line button light shows the current status asfollows:Off: This feature has not been set.Red on: This feature has been set.Customising Your Phone• 4.1.3 Customising the ButtonsCreate or rearrange a Doorphone Call Forwarding to Outside Line button.• The door will be left open for 5 seconds.• To keep the door open for another 5 seconds while talking to the doorphone, dial 5again using a Panasonic digital proprietary telephone.• If no one answers the doorphone call within 30 seconds, the call is cancelled.Off-hook. On-hook.Dial 55. Enter door openernumber (1-3).door openerno.DPT/SLTC.Tone5 5DPT SLTOn-hook.C.ToneOn-hook.Dial 5. Dial 5.Press Recall.C.Tone5 5(Recall)