[OpenSIPS-Users] Best way to call with prefix and trunks

[Social Boh]

Hello list,

I have to make calls to PSTN using trunks con IP auth y trunks with user 
and password

I'd like use DROUTING module but I don't know how solve user/password 
auth trunk

Any idea?

Thank you

Regards

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I'm SoCIaL, MayBe