SIP-Trunk: 3CX and Germany Vodafone (former Kabel Deutschland)

Discussion in '3CX Phone System - General' started by Pfiff, Aug 11, 2017.

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  1. Pfiff

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    Hello,

    some weeks ago, I decided to change my PBX system.
    I used Asterisk now with FreePBX befor. It worked quiet good, but some features are missing or complicated. I hope that 3CX on Debian will to things like provisioning quiet more easier.

    Back to Topic...

    Under FreePBX I solved it after 2 Weeks to connect my 4 numbers to the Vodafone trunk.
    Now I tried it on 3CX, but I solved it yet.
    The Vodafone Trunk which was former known as Kabel Deutschland, offered me the following Information:

    • SIP-Username: 23318****
    • SIP-Proxy-Server: sip.kabelfon.vodafone.de
    • SIP-Registrar: sip.kabelfon.vodafone.de
    • SIP-Port: 5060
    • My 4 numbers
    • one password.

    Now I tried to create a SIP-Trunk with differed variations of thees data.
    See attached images.

    But no variation worked successful.
    Every time I got:

    SIP Server/Call Manager ID: 12294
    Call or Registration to Generic VoIP Provider has failed. sip:23318****@sip.kabelfon.vodafone.de:5060 replied: 403 Forbidden; from IP:88.YYY.XXX.ZZZ:5060

    I used the following configurations under FreePBX so set up a Trunk successful.

    -----------------------------------------------------------------

    SIP-Settings outbound:
    Trunk Name:
    +4958120******

    PEER-Details:
    username=23318****
    type=peer
    secret=<PASSWORD>
    qualify=no
    outboundproxy=sip.kabelfon.vodafone.de
    insecure=invite,port
    host=sip.kabelfon.vodafone.de
    fromuser=+4958120******
    fromdomain=sip.kabelfon.vodafone.de
    dtmfmode=rfc2833
    disallow=all
    allow=alaw

    ---------------------------------

    SIP-Settings inbound:
    User Context:
    +4958120******

    User Details:
    type=user
    secret=<PASSWORD>
    context=from-trunk

    Register String:
    +4958120******:<PASSWORD>:23318****@sip.kabelfon.vodafone.de

    -----------------------------------------------------------------

    How can I configure a working Trunk on 3CX?
    What is wrong with my settings?

    3cx01.png
    3cx02.png
    3cx03.png
    3cx04.png
     
  2. IoannisM_3CX

    IoannisM_3CX Support Team
    Staff Member 3CX Support

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    Hi Pfiff,

    As i can see from the provided picture of your event log the registeration was forbidden with a 403 error by your provider (88.YY...)so your provider is the one that you have to come in contact to solve this problem. If you find a solution to your problem,please do post it for future reference.

    Thank you
     
  3. Pfiff

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  4. cobaltit

    cobaltit Active Member

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    Did you add the trunk as a generic trunk or did you use the 3CX provided template?
     
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  5. Pfiff

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    I tried both
    You can see screenshots in the Vodafone Forum
     
  6. Pfiff

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    Can I set the Contact while registration to Trunk from Long Contact to short Contact?

    How can I edit the register String?
    I think I have to use it in the following format:
    <INTERNATIONALNUMBER>:<PASSWORD>:<USERID>@sip.kabelfon.vodafone.de
     
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