Grandstream Networks GXW-4004 User Manual page 40

Lifeline Mode
Failover to FXO Gateway
FXO Gateway
NTP server
NTP Update Interval
Syslog Server
FIRMWARE VERSION 1.0.9.1
Life line feature ensures user can place/receive a PSTN call in an emergency
situation.
If set to "Auto", in case of power loss or loss of SIP registration, the PSTN
1.
line will be seamlessly connected to analog phone connected to FXS port.
If set to "Always Connected" the PSTN line will be always connected to
2.
the phone connected to FXS port. VoIP calls will not be allowed in this
configuration.
If set to "Always Disconnected", user can only place VoIP calls, regardless
3.
of any power loss and/or SIP registration problems. User will be unable to
place/receive any PSTN calls.
This feature allows users to place an outbound PSTN call in case there is a loss of
an active registration (SIP server unreachable) of all FXS profiles. If set to "YES",
when GXW40XX recognizes a loss of registration, all outgoing calls will be routed to
an FXO gateway.
The use of this option presumes a configured GXW410x or another FXO gateway
with an active PSTN line connection.
IP Address or URI of the FXO gateway.
URI or IP address of the NTP (Network Time Protocol) server. Used by the phone to
synchronize the date and time. An extensive list of public NTP servers can be found
at http://www.ntp.org
Updates the Network Time Protocol (Values range from 5 – 1440 minutes)
The IP address or URL of System log server. The server collects system log
information from the device.
GXW40XX USER MANUAL Page 40 of 60