Februaray-2006 Page 27 / 42 MasterVoIP VoIP to GSM Gateway
Send Flas h Event
This parameter allows the u ser to control whether to send an SIP NOTIFY
message indicating the Flash event, or just to switch to the voice ch annel when
the user presses the Flash key.
FXS Imped ance
Selects the impedance of th e analog telephone connected to the Phone port.
Caller ID Scheme
Select the Caller ID Scheme t o suit the standard of different area.
Bellcore (North America)
ETSI-FSK (France, German y, Norway, Taiwan, UK-CCA)
ETSI-DTMF (Finland, Sw eden)
DTMF (Denmark)
Onhook Vo ltage
Select the onhook voltage to suit different area or PBX.
Polarity Re versal
Select Polarity Reversal to adapt some call charge/billing system. De fault is
No.
NTP server
This parameter defines the U RI or IP address of the NTP server wh ich the IP
phone will use to display th e current date/time.
Send Anony mous
If this parameter is set to Y es, the From header in the outgoing INVITE
message will be set to anony mous, essentially blocking the Caller ID from
being displayed.
Lock keyp ad
update
If this parameter is set to Y es, the configuration update via keypad is
disabled.
Syslog Ser ver
The IP address or URL of the System log server. This feature is es pecially useful
for ITSP (Internet Telephon e Service Provider)