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16    VoIP subscriber gateways 
The phone is on-hook, normal operation  
Flashes during with 20 Hz frequency for 
1 second, then 4 seconds pause  
Incoming call is on the phone port  
Green, flashes slowly in periods 
Subscriber port registration is absent at SIP-
proxy server  
Device power is enabled, normal operation  
Reset the device to default settings  
No internet access available  
Table 6 – Light indication of Ethernet 100/10 interface 
10 Mbps connection with the external 
device is established 
10 Mbps data transmission 
100 Mbps connection with the external 
device is established  
100 Mbps data transmission  
2.8 Reset to the default settings 
In order to reset the device to default settings press and hold ‘F’ button until ‘Power’ indicator begins to 
flash green. Indicator will flash before rebooting the device. The device will be rebooted automatically. Gateway 
will  receive  IP-address  automatically  by  using  DHCP  protocol  in  the  default  configuration  (beginning  with 
software  version  2.0.0).  Voice  menu  provides  control  of  the  received  IP-address  (See  Appendix  1  for  more 
details). 
2.9 Delivery package  
The standard delivery package of TAU-8.IP includes: 
–  Universal TAU-8.IP subscriber terminal; 
–  power adaptor with 220/12V 2 A supply; 
–  2 removable antenna (only for TAU-8.IP-W); 
–  Operation manual.