Grandstream Networks GXP1160 User Manual page 24

*31 Send Caller ID (for all subsequent calls)
*67 Block Caller ID (per call)
*82 Send Caller ID (per call)
*70 Disable Call Waiting (per Call)
*71 Enable Call Waiting (per Call)
*72 Unconditional Call Forward. To set up unconditional call forward:
*73 Cancel Unconditional Call Forward. To cancel the unconditional call forward:
*90 Busy Call Forward. To set up busy call forward:
*91 Cancel Busy Call Forward. To cancel the busy call forward:
FIRMWARE VERSION 1.0.5.2
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Off hook the phone;
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Dial *31.
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Off hook the phone;
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Dial *67 and then enter the number to dial out.
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Off hook the phone;
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Dial *82 and then enter the number to dial out.
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Off hook the phone;
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Dial *70 and then enter the number to dial out.
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Off hook the phone;
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Dial *71 and then enter the number to dial out.
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Off hook the phone;
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Dial *72 and then enter the number to forward the call;
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Press OK softkey or SEND key.
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Off hook the phone;
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Dial *73;
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Hang up the call.
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Off hook the phone;
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Dial *90 and then enter the number to forward the call;
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Press OK softkey or SEND key.
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Off hook the phone;
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Dial *91;
GXP1160/GXP1165 USER MANUAL Page 24 of 59