Call Features - Grandstream Networks HT812 Series Administration Manual

When all the FXS ports are registered, the simultaneous rings will have one second delay between each ring on each phone.

Call Features

The HT812/HT814 support all the traditional and advanced telephony features.
Key Call Features
Forcing a Codec (per call) *027110 (PCMU), *027111 (PCMA), *02723 (G723), *02729 (G729), *027201 (iLBC), *02722
*02
(G722).
Disable LEC (per call) Dial "*03" +" number".
*03
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.
*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
Unconditional Call Forward: Dial "*72" and then the forwarding number followed by "#". Wait for dial tone and
*72
hang up. (dial tone indicates successful forward)
Cancel Unconditional Call Forward. To cancel "Unconditional Call Forward", dial "*73", wait for dial tone, then
*73
hang up.
*74 Enable Paging Call: Dial "*74" and then the destination phone number you want to page.
*78 Enable Do Not Disturb (DND): When enabled all incoming calls are rejected.
*79 Disable Do Not Disturb (DND): When disabled, incoming calls are accepted.
Figure 13: Accounts Status