[Asterisk-Users] siemens pbx what i ask techinician?

[Pablo Allietti]

im really newbie, and i have a siemens digital pbx work in my work. i
have 4 outside lines and the pbx has a E1/PRI card. what i need to ask
my siemens provider(techinicians) to do in the pbx? 

i only have in my pbx the 9 to get a line to go outside is very simple. but i dont know what i
need to ask them to programming. please help me.
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Pablo Allietti
LACNIC