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Grandstream Networks, Inc. HT-386 User Manual Page 22 of 34
Firmware 1.0.3.64 Last Updated: 2/2007
• ETSI-DTMF (Finland, Sweden)
• ETSI-FSK (France, Germany, Norway, Taiwan, UK-CCA)
Onhook Voltage
Select the onhook voltage to suit different area or PBX.
Polarity Reversal
Default is No. If set to Yes, polarity will be reversed upon call establishment
and termination.
NTP server
URI or IP address of the NTP (Network Time Protocol) server, which the HT-
386 will use to synchronize the date/time.
Syslog Server
The IP address or URL of syslog server, especially useful for ITSP (Internet
Telephone Service Provider)
Syslog Level
Select the ATA to report the log level. Default is NONE. The level is either one
of DEBUG, INFO, WARNING or ERROR. Syslog messages are sent based on
the following events:
• product model/version on boot up (INFO level)
• NAT related info (INFO level)
• sent or received SIP message (DEBUG level)
• SIP message summary (INFO level)
• inbound and outbound calls (INFO level)
• registration status change (INFO level)
• negotiated codec (INFO level)
• Ethernet link up (INFO level)
• SLIC chip exception (WARNING and ERROR levels)
• memory exception (ERROR level)
The Syslog uses USER facility. In addition to standard Syslog payload, it
contains the following components:
GS_LOG: [device MAC address][error code] error message
Here is an example: May 19 02:40:38 192.168.1.14 GS_LOG:
[00:0b:82:00:a1:be][000] Ethernet link is up