https://github.com/prog-it/Asterisk-CDR-Viewer-Mod
[1000](!)
context=out_with_record
[2000](!)
context=out_without_record
exten => s,1,Dial(SIP/1&SIP/2&SIP/3&Local/s@new_context);
[new_context]
exten => s,1,Wait(30)
exten => s,n,Dial(SIP/4&SIP/5&SIP/6&SIP/7)