[asterisk-ss7] Set NAI -> Subscriber for outgoing calls

[Peter Petrov]

hi,
when i need dial emergency number "112" from my asterisk to Telco, need send call 
with NAI - Subscriber, but i dont know how need to do...

May be  i need set variable ss7_subsrcriberprefix=07 <- for example
and in dialplan i need set this:

Dial(DAHDI/g3/07${EXTEN})

May this is wrong..... I need set subscriber only for this call.... Please, i need help