If you send the short message contents as the
##**
TEL,B002,1,B002,2,B003,1,B003,5:13851428396;
,consequently, the receiver1 & receiver2 of the B002 function block and receiver1 & receiver5 of B003 shall
turn to 13851428396.
(Note: This command is only for 2G version unit, it is unavailable for 4G version unit)