Our Asterisk tells me
-- Executing [746@fromsip:2] RealTime("SIP/745-00000a75", "sippeers|name|746|var_") in new stack
[May 25 15:45:37] WARNING[16839]: app_realtime.c:191 realtime_exec: The RealTime application has been deprecated in favor of the REALTIME dialplan function.
But DialplanEntry is:
exten => _74[1679],n,RealTime(sippeers,name,${EXTEN},var_)
Asterisk 1.4.31