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HandyTone-488 User Manual Grandstream Networks, Inc.
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*50 Disable Call Waiting (for all subsequent calls)
*51 Enable Call Waiting (for all subsequent calls)
*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. Then
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. Then
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. Then
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
Flash/Hook
When in conversation, this action will switch to the new
incoming call if there is a call waiting indication.
When in conversation without an incoming call, this action
will switch to a new channel for a new call.
5.3.2 PSTN Pass Through
When HandyTone-488 is out of power, the RJ 11 line jack on the HandyTone-488 side will
function as a pass through jack. Users will be able to use the same analog phone for PSTN
calls.
5.4 LED Light Pattern Indication
Following tables show the LED light pattern indication.
RED LED always indicates abnormal status
DHCP Failed or WAN No Cable Button flashes every 2 seconds (if DHCP is configured)
HandyTone-488 fails to register Button flashes every 2 seconds (if SIP server is
configured)