username/password is not correct. The IP phone can not make any calls, but the menu selection and the on-hook / off-hook function will work OK.

(i). When the IP Phone is enabled to “Immediate Forward”, the LCD screen will display the following message :

FWD(number)

Date Time

This means that the VOIP 2747 is working OK and ready for outgoing/incoming calls. For any incoming call, it will be forwarded to the “Immediate Forward Number”, and this IP Phone will not ring. See Sect. 3.4.

3.4 Call Forward Configurations

The phone supports three different Call Forwarding modes. These modes are selected using the “Configure”Æ”Forward Mode” option.

3.4.1 Immediate Forward

To enable Immediate Forward mode, Press MENU/OK with Item 1 Immediate selected. The display will change to 1. (Yes) Immediate and 2. Immed Number will appear. Press DOWN Then MENU/OK to enter the target number for Immediate Forwarding. The display will show Immed Number =. Enter the number using the keypad and press MENU/OK. Then press CANCEL three times. The display will show FWD(Ext Number). If Immediate forwarding is selected, all calls to the phone will be sent to the target number.

When Immediate Forwarding is enabled, Busy Forward and No Answer Forward can not be enabled.

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Cortelco 2747 user manual Call Forward Configurations, Immediate Forward