Grandstream Networks GXP21 Series User Manual page 93

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The GXP2130/GXP2140/GXP2160/GXP2170/GXP2135 supports traditional and advanced telephony
features including caller ID, caller ID with caller Name, call forward etc.
Block Caller ID (for all subsequent calls)
*30
Off hook the phone;
Dial *30.
Send Caller ID (for all subsequent calls)
*31
Off hook the phone;
Dial *31.
Disable Call Waiting
*50
Off hook the phone;
Dial *50.
Enable Call Waiting
*51
Off hook the phone;
Dial *51.
Call with Caller ID Blocked (per call)
*67
Off hook the phone;
Dial *67 and then enter the number to dial out.
Call with Caller ID Enabled (per call)
*82
Off hook the phone;
Dial *82 and then enter the number to dial out.
Call with Call Waiting Disable (per call)
*70
Off hook the phone;
Dial *70 and then enter the number to dial out.
Page 93
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