Table 10: Fxs Port Settings - Grandstream Networks HT503 User Manual

Syslog Level
Send SIP Log
Download Device
Configuration
Account Active
SIP Server
Failover SIP Server
Outbound Proxy
SIP Transport
NAT Traversal (STUN)
FIRMWARE VERSION 1.0.9.1
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
Ex. May 19 02:40:38 192.168.1.14 GS_LOG: [00:0b:82:00:a1:be][000] Ethernet link is
up
If Syslog is enabled and Send SIP Log is set to YES, then SIP messages will also be
delivered via Syslog. Default is set to NO.
This is a special feature that enables the user to create a text file backup of your
existing configuration.

TABLE 10: FXS PORT SETTINGS

When set to yes the FXS port is activated.
This field contains the URL string or the IP address (and port, if different from 5060) of
the SIP proxy server. e.g., the following are some valid examples: sip.my-voip-
provider.com, or sip:my-company-sip-server.com, or 192.168.1.200:5066
This Field contains the URL or the IP address of a second SIP server, this one will be
used in case the device loses the connection with the first server.
IP address or Domain name of Outbound Proxy, or Media Gateway, or Session Border
Controller. Used by ATA for firewall or NAT penetration in different network environment.
If symmetric NAT is detected, STUN will not work and ONLY Outbound Proxy will work.
User can select UDP or TCP or TLS.
This setting decides whether the NAT traversal mechanism is activated. It should be set
to "Yes" if the device is behind a NAT router. If no outbound proxy is configured, a
STUN server needs to be set to activate STUN detection mechanism. Usually ITSP will
HT503 USER MANUAL
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