can sed take take several line to produce multiple output

The input file is using same format for every 2
line(delimiter is ,)


Can sed take the following input:

header,login - telnet ssh, Thu Dec 08 11:08:55 2005,
subject,abc,def,123,456, abc.linux.com.my


and produce:

Thu Dec 08 11:08:55 2005, Name=abd 2name=def phone=123
phone2=245