Call Features; Led Light Pattern Indication; Table 5: Ht488 Call Feature; Table 6: Ht488 Led Definitions - Grandstream Networks HT-488 User Manual

C F
ALL EATURES
T 5: HT488 C F
ABLE ALL
Key

Call Features

*23 3-way Conferencing
Please refer to 3 way Calling section.
*30 Block Caller ID (for all subsequent calls)
*31 Send Caller ID (for all subsequent calls)
*67 Block Caller ID (per call). Dial "*67" + " number ". No dial tone will be played in the middle.
*82 Send Caller ID (per call). Dial "*82" + " number ". No dial tone will be played in the middle.
*50 Disable Call Waiting (for all-config change)
*51 Enable Call Waiting (for all-config change)
*70 Disable Call Waiting (Per Call)
*71 Enable Call Waiting (Per Call)
*72 Unconditional Call Forward.
To use this feature, dial "*72", wait for the dial tone. Then dial the forward number ended with #,
wait for dial tone, hang up.
*73 Cancel Unconditional Call Forward
To cancel "Unconditional Call Forward", dial "*73" and get the dial tone, then hang up.
*87 Blind Transfer
Please refer to Blind Transfer section.
*90 Busy Call Forward
To use this feature, dial "*90", wait for the dial tone. Then dial the forward number ended with #,
wait for dial tone, 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", wait for the dial tone. Then dial the forward number ended with #,
wait for dial tone, 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, flash/hook switches to incoming call (call waiting is enabled).
When in conversation and no incoming call heard, flash/hook switches provides a new dial tone.

LED Light Pattern Indication

T 6: HT488 LED D
ABLE EFINITIONS
RED LED always indicates not normal status
DHCP Failed or WAN No Cable
HT- 488 fails to register
Firmware Upgrading
Device Malfunctions
GREEN LED mostly indicates normal working status
Message Waiting Indication
RINGING
RINGING INTERVAL
In Conversation
Grandstream Networks, Inc.
D
EATURE EFINITIONS
HT488 User Manual
Firmware 1.0.3.64
Button flashes every 2 seconds (if DHCP is configured)
Button flashes every 2 seconds (if SIP server is configured)
Button flashes every 2 seconds
Red light steady on
Button flashes every 2 seconds
Button flashes at 1/10 second
Button flashes every second
Green light steady on
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Last Updated: 4/2007