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C
F
ALL
EATURES
The HT–502 supports all the traditional and advanced telephony features.
T
6: HT–502 C
F
ABLE
ALL
Key
Call Features
*30
Block Caller ID (for all subsequent calls)
*31
Send Caller ID (for all subsequent calls)
*50
Disable Call Waiting (for all subsequent calls)
*51
Enable Call Waiting (for all subsequent calls)
*67
Block Caller ID (per call)
*70
Disable Call Waiting (per call)
*71
Enable Call Waiting (per call)
*72
Unconditional Call Forward. Dial "*72", wait for 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", wait for dial tone, then hang up.
*82
Send Caller ID (per call)
*87
Blind Transfer
*90
Busy Call Forward. Dial "*90" , wait for 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", wait for dial tone,
then hang up.
*92
Delayed Call Forward. Dial "*92", wait for dial tone. Then dial the forward number and
"#" for a dial tone, then hang up.
*93
Cancel Delayed Call Forward. To cancel Delayed Call Forward, dial "*93", wait for dial
tone, then hang up.
Flash/Hook
Toggles between active call and incoming call (call waiting tone). If not in conversation,
flash/hook will switch to a new channel for a new call.
T.38 F
AX
HT–502 supports fax in two modes: 1) T.38 (Fax over IP) and 2) fax pass through.
T.38 is the preferred method because it is more reliable and works well in most network conditions. If the
service provider supports T.38, please use this method by selecting T.38 as fax mode (default). If the
service provider does not support T.38, pass-through mode may be used.
To send or receive faxes in fax pass through mode, users must select all the Preferred Codecs to be
PCMU/PCMA (G.711-u/a).
Grandstream Networks, Inc.
D
EATURE
EFINITIONS
HT-502 User Manual
Firmware 1.0.0.29
Page 13 of 31
Last Updated: 01/2007
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