Grandstream Networks HT814 - Call Features; Table 11: HT812 HT814 Call Features; Figure 12: Accounts Status

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HT812/HT814 Administration Guide
Figure 12: Accounts Status
Call Features
The HT812/HT814 support all the traditional and advanced telephony features.
Table 11: HT812/HT814 Call Features
Key
Call features
*02
Forcing a Codec (per call) *027110 (PCMU), *027111 (PCMA), *02723 (G723), *02729
(G729), *0272616 (G726-r16), *0272624 (G726-r24), *0272632 (G726-r32), *0272640
(G726-r40), *027201 (iLBC)
*03
Disable LEC (per 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.