call file:
###################################
Channel: local/00621232999@to-budgetphone
MaxRetries: 5
RetryTime: 300
WaitTime: 45
Context: default
Extension: 00621232999
Priority: 1



extensions.conf
###################################
[to-budgetphone]
exten => _X.,1,SetCallerID(3113710999@budgetphone.nl)
exten => _X.,2,SetCIDName(BudgetDedicated)
exten => _X.,3,SetCIDNum(3113710999)
exten => _X.,4,Dial(SIP/${EXTEN:1}@budgetphone.nl)
exten => _X.,5,Hangup()




response:

Sip read:
SIP/2.0 404 User not found
Via: SIP/2.0/UDP 81.171.111.77:5060;branch=z9hG4bK26c48f77
From: "BudgetDedicated" <sip:3113710999@81.171.111.77>;tag=as2a01dd12
To: <sip:0621232999@budgetphone.nl>;tag=48cd709ae35c71b0e4d33846252f55ea.c4d2
Call-ID: 1741b08a0059da50553c8ba25d158f19@81.171.111.77
CSeq: 102 INVITE
Server: OpenSer (1.0.2-tls (i386/linux))
Content-Length: 0


8 headers, 0 lines
    -- Got SIP response 404 "User not found" back from 81.23.228.150
Transmitting:
ACK sip:0621232999@budgetphone.nl SIP/2.0
Via: SIP/2.0/UDP 81.171.111.77:5060;branch=z9hG4bK26c48f77
From: "BudgetDedicated" <sip:3113710999@81.171.111.77>;tag=as2a01dd12
To: <sip:0621232999@budgetphone.nl>;tag=48cd709ae35c71b0e4d33846252f55ea.c4d2
Contact: <sip:3113710999@81.171.111.77>
Call-ID: 1741b08a0059da50553c8ba25d158f19@81.171.111.77
CSeq: 102 ACK
User-Agent: Asterisk PBX
Content-Length: 0