...
eos-voter (wallet unlock) : "send tokens" / transfer to "destination account" : beos.gateway with a "transfer memo" : bitshares.beos:btsaccountname
transfer to beos.gateway with a memo : beos:eosaccountname
send to beos.gateway with memo pxbts:eosaccountname::
eos-voter (wallet unlock) : Tools > 3rd Party Services > Cross Chain Transfer > Withdraw from BEOS to BTS