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backslash7/extensions_custom.conf

Last active December 18, 2020 21:00
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How to strip destination number from SIP To: header and use it as DID
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extensions_custom.conf
; Assign this context to your incoming SIP trunk settings
[custom-get-did-from-sip]
exten => _X.,1,Noop(Fixing DID using information from SIP TO header)
exten => _X.,n,NOOP(Header is: ${SIP_HEADER(TO)})
exten => _X.,n,Set(pseudodid=${SIP_HEADER(TO)})
exten => _X.,n,Set(pseudodid=${CUT(pseudodid,@,1)})
exten => _X.,n,Set(pseudodid=${CUT(pseudodid,:,2)})
exten => _X.,n,Noop(Pseudo DID is: ${pseudodid})
exten => _X.,n,Goto(from-trunk,${pseudodid},1)
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