Table 11: Fxo Port Settings; Firmware Version 1.0.9.1 - Grandstream Networks HT503 User Manual

Duration
Enable Hook Flash
Hook Flash Timing
On Hook Timing
Gain
Disable Line Echo
Canceller (LEC)
Ring Tones
Account Active
SIP Server
Failover SIP Server
Prefer Primary SIP
Server
Outbound Proxy
SIP Transport

FIRMWARE VERSION 1.0.9.1

indicate to the local party that the call is disconnected from the remote side.
(100-10000 ms. Default 200 ms)
Default is Yes. If set to "No", FLASH button could only be used for terminating calls.
The time period when the cradle is pressed (Hook Flash) to simulate a FLASH. Adjust
this time value to prevent unwanted activation of the Flash/Hold and automatic phone
ring-back.
On-hook timing is the minimum time for an on-hook event to be validated.
Voice path volume adjustment.
•
Rx is a gain level for signals transmitted by FXS
•
Tx is a gain level for signals received by FXS.
Default = 0dB for both parameters. Loudest volume: +6dB Lowest volume: -6dB.
User can adjust volume of call on either end using the Rx Gain Level parameter and
the Tx Gain Level parameter located on the FXS Port Configuration page.
If call volume is too low when using the FXS port (ie. the ATA is at user site), adjust
volume using the Rx Gain Level parameter under the FXS Port Configuration page.
If voice volume is too low at the other end, user may increase the far end volume using
the Tx Gain Level parameter under the FXS Port Configuration page.
Default is No. If set to "Yes" LEC will be disabled per call base. Recommended for
FAX/Data calls.
This function lets you configure ring or tone frequencies according to preference. By
default tones are set to North American frequencies. Frequencies should be configured
with known values to avoid high pitch sounds.

TABLE 11: FXO PORT SETTINGS

When set to "Yes" the FXO port is activated.
SIP Server's IP address or Domain name provided by VoIP Service Provider.
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.
Default is no. If set to yes it will register to Primary Server if registration with Failover
server expires
IP address or Domain name of Outbound Proxy, or Media Gateway, or Session Border
Controller. Used by HT503 for firewall or NAT penetration in different network
environments. If symmetric NAT is detected, STUN will not work and ONLY way to
correct the problem is to use the outbound proxy.
User can select UDP, TCP or TLS
HT503 USER MANUAL
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