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GXP16XX User Guide

Version 1.0.7.18

*70

Call with Call Waiting Disable (per Call)

 Dial *70 and then enter the number to dial out;

 Dial out.

Note: Once set, the first call need not to enter call waiting as being supposed to.

*71

Call with Call Waiting Enabled (per Call)

 Dial *71 and then enter the number to dial out;

 Dial out.

*72

Unconditional Call Forward. To set up unconditional call forward:

 Dial *72 and then enter the number to forward the call;

 Dial out.

Note: Once set, all calls will be forwarded to another preset number and your phone will

not ring.

*73

Cancel Unconditional Call Forward. To cancel the unconditional call forward:

 Dial *73.

*90

Busy Call Forward. To set up busy call forward:

 Dial *90 and then enter the number to forward the call;

 Dial out.

*91

Cancel Busy Call Forward. To cancel the busy call forward:

 Dial *91;

*92

Delayed Call Forward. To set up delayed call forward:

 Dial *92 and then enter the number to forward the call;

 Dial out.

*93

Cancel Delayed Call Forward. To cancel the delayed call forward:

 Dial *93.

Note: Once set, the incoming call will be forwarded to another preset number if no one

answers the phone.

Note: If the following feature codes do not work on your phone, please contact Administrator to turn on the

“Enable Call Features” on phone’s Web GUI. Enable Call Features is under phone’s Web

Grandstream Networks GXP1615 User Manual

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