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Grandstream Networks, Inc. BT200 User Manual Page 18 of 33
Firmware 1.1.5.15 Last Updated: 01/2008
Key Call Features
*30 Block Caller ID (for all subsequent calls)
*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 use this feature, dial “*72” and get the dial tone. Dial the forward number and “#”
for a dial tone, then hang up.
*73 Cancel Unconditional Call Forward
To cancel “Unconditional Call Forward”, dial “*73” and get the dial tone, then hang
up.
*90 Busy Call Forward
To use this feature, dial “*90” and get the dial tone. Dial the forward number and “#”
for a dial tone, then hang up.
*91 Cancel Busy Call Forward
To cancel “Busy Call Forward”, dial “*91” and get the dial tone, then hang up.
*92 Delayed Call Forward
To use this feature, dial “*92” and get the dial tone. Dial the forward number and “#”
for a dial tone, then hang up.
*93 Cancel Delayed Call Forward
To cancel this Forward, dial “*93” and get the dial tone, then hang up.