[Asterisk-Users] How to make this into a Macro?

[Ronald Wiplinger]

I have for each phone such a paragraph in my dialplan.
I would like to save this by using a Macro. How can I do that?

exten => 8863959,1,Dial(SIP/8863959,60,r)
exten => 8863959,2,NoOp(${DIALSTATUS})
exten => 8863959,3,Voicemail,u8863959 at Customers
exten => 8863959,104,Voicemail,b8863959 at Customers
exten => 8863959,105,hangup