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Grandstream Networks, Inc. HT496 User Manual Page 22 of 29
Firmware 1.0.3.86 Last Updated: 7/2007
Caller ID Scheme
Select the Caller ID Scheme to suit the standard of different area.
• Bellcore (North America)
• CID-Canada
• DTMF-Brazil
• DTMF-Sewden
• DTMF (Denmark)
• ETSI-DTMF (Finland, Sweden)
• ETSI-FSK (France, Germany, Norway, Taiwan, UK-CCA)
On-hook Voltage
Select the on-hook voltage to suit different area or PBX. Here is the voltage the FXS
port will supply to connected analog Phone 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. Used by the HT496 to
display the current date/time.
Syslog Server
The IP address or URL of System log server. This feature is especially useful for
ITSP (Internet Telephone Service Provider)
Syslog Level
Select the ATA to report the log level. Default is NONE. The level is one of DEBUG,
INFO, WARNING or ERROR. Syslog messages are sent based on the following
events:
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)
8. Ethernet link up (INFO level)
9. SLIC chip exception (WARNING and ERROR levels)
10. 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
Example: May 19 02:40:38 192.168.1.14 GS_LOG: [00:0b:82:00:a1:be][000]
Ethernet link is up