Grandstream Networks HT814 Administration Manual page 30

https://arttel.ru/
Prompt Tone
Access Code
Lock Keypad
Update
Disable Voice
Prompt
Disable Direct IP
Call
NTP Server
Allow DHCP Option
42 to NTP Server
Syslog Server
Syslog Level
https://arttel.ru/shop/voip-shlyuzy/grandstream-ht-814

"Busy tone"

"Reorder tone"

"Confirmation tone"

"Call-Waiting tone"

"Prompt Tone"
Please refer to the document below to determine your local call progress tones:
http://www.itu.int/ITU-T/inr/forms/files/tones-0203.pdf
Specifies the key pattern to get Prompt Tone. Maximum 20 digits
Locks configuration update via keypad. Default is No.
Removes ability to use integrated voice prompt menu configuration. Default is No.
Deactivates Direct IP-to-IP calling function. Default is No.
Defines URL or IP address of the NTP (Network Time Protocol). Used by the
HT814 to synchronize the date and time. Public NTP servers can be found at
http://www.ntp.org .
Obtains NTP server address from a DHCP server using DHCP Option 42; it will
override configured NTP Server. If set to "No", the HT814 will use configured NTP
server to synchronize time and date even if a NTP server is provided by DHCP
server. Default is Yes.
Sets IP address or URL of system log server. The server collects system log
information from the HT814.
Selects log level; the level is one of DEBUG, INFO, WARNING, ERROR. Syslog
messages are sent based on the following events. Default is NONE.
1. Product model/version on boot up (INFO level)
2. NAT related info (INFO level)
3. Sent or received SIP message (DEBUG level)
4. SIP message summary (INFO level)
5. Inbound and outbound calls (INFO level)
6. Registration status change (INFO level)
7. Negotiated codec (INFO level)
HT814 Administration Guide
P a g e | 29