Manual Configuration of RC on Polycom Trio 8800 Line 2

I want to Manually configure ringcentral on Line 2 of polycom trio 8800,

am getting the below error, can anyone help me achieve this..

thanks

000503.736|clist|4|00|dbCfg::getServerDir:Unknown dbCfg type

000503.737|clist|4|00|dbCfg::getServerDir:Unknown dbCfg type

000503.749|clist|4|00|dbCfg::getServerDir:Unknown dbCfg type

000505.736|dns |4|00|doDnsLookupForList(A): hostname (sip30.ringcentral.com:) is invalid

000505.736|sip |4|00|doDnsListLookup(udp): doDnsSrvLookupForARecordList 'sip30.ringcentral.com:' found no records

000505.736|sip |4|00|Registration failed User: 442038741987, Error Code:480 Temporarily not available

000505.958|dns |4|00|doDnsLookupForList(A): hostname (sip30.ringcentral.com:) is invalid

000505.958|sip |4|00|doDnsListLookup(udp): doDnsSrvLookupForARecordList 'sip30.ringcentral.com:' found no records

000507.848|dns |4|00|doDnsLookupForList(A): hostname (sip30.ringcentral.com:) is invalid

000507.848|sip |4|00|doDnsListLookup(udp): doDnsSrvLookupForARecordList 'sip30.ringcentral.com:' found no records

000507.888|clist|4|00|dbCfg::getServerDir:Unknown dbCfg type

question