Grandstream Networks HT502 - Call Features; Table 7: HT502 Call Features

P a g e | 27
HT502 User Manual
Call Features
The HT502 supports all the traditional and advanced telephony features.
Table 7: HT502 Call features
Key
Call Features
*02
Forcing a Codec (per call) *027110 (PCMU), *027111 (PCMA), *02723 (G723), *02729
(G729), *0272616 (G726-r16), *0272624 (G724-r24), *0272632 (G726-r32), *0272640
(G726-r40), *027201 (iLBC)
*03
Disable LEC (pe call) Dial “*03” + ” number ”. No dial tone is played in the middle.
*16
Enable SRTP
*17
Disable SRTP
*30
Block Caller ID (for all subsequent calls)
*31
Send Caller ID (for all subsequent calls)
*47
Direct IP Calling. Dial “*47” + “IP address”. No dial tone is played in the middle. Detail
see Direct IP Calling section on page 12.
*50
Disable Call Waiting (for all subsequent calls)
*51
Enable Call Waiting (for all subsequent calls)
*67
Block Caller ID (per call). Dial “*67” + ” number ”. No dial tone is played in the middle.
*82
Send Caller ID (per call). Dial “*82” + ” number ”. No dial tone is played in the middle.
*69
Call Return Service: Dial *69 and the phone will dial the last incoming phone number
received.
*70
Disable Call Waiting (per call). Dial “*70” + ” number ”. No dial tone is played in the
middle.
*71
Enable Call Waiting (per call). Dial “*71” + ” number ”. No dial tone is played in the middle.