Atlantis Land A02-RAV260-W54 用户手册

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页码 121
                                                                                                                               
VoIPMaster 260W  
 
 
   
 
74
 
 
 
The following situation will make phone port 1 relay to PSTN line 
automatically. 
Power down 
Internet Service fail, i.e., lost of WAN IP Address 
SIP service is not accessible. This excludes when:   
„
 
User manually disables Registration.  
„
 
User inserts a wrong authentication username or password. 
„
 
User dials a wrong SIP number.