View original (French)

International Call Testing France to France

Solved
lenainjaune Posted messages 726 Registration date   Status Contributor Last intervention   -  
brupala Posted messages 111188 Registration date   Status Member Last intervention   -
Hello everyone :)

In order to test outgoing rules from our IPBX, I would like to test a call from France to France going through international.

So I dial: 0 (to exit our local system) then 0033 (for international) and finally 123456789 to call the local number 0123456789; dialing in national 0 0123456789 works without any problem (obviously this number is fake but that's the principle)

But it doesn't work: "The number is not assigned!"

Is my dialing correct?

Could it be blocked by telecom operators?

With all my respect,
lnj

Configuration: Linux / Firefox 78.0

4 answers

  1.
    lenainjaune Posted messages 726 Registration date   Status Contributor Last intervention   62
     
    A feedback on the problem resolution (in case it might help someone) :)

    I ended up reaching out to the company that sells the IPPBX and there is a tool that does exactly what I was looking for.

    Furthermore, I had a practical idea: to create a rule on the BRI gateway that if it identifies a specific caller number... it does not call (based on this guide). This allows us to test all the numbers that should be filtered (like an expensive international call) without actually making the call. So we are independent for testing the rules.

    And hence there is no need to contact our operator.

    There you go, this time the problem is well resolved :D !

    1
    1. brupala Posted messages 111188 Registration date   Status Member Last intervention   14 462
       
      Thank you,
      it's very technical and precise, but it can help yes :-)
      By the way,
      I note the new source, as well as the "in general operators do not allow"....
      With all the telemarketing call centers that ruin our lives with fake geographical numbers, I feel like some operators are easily convinced to allow it and that the French operators still readily let foreign calls come through with French sources.
      I keep adding to my blacklist rules :-(
      0
  2. brupala Posted messages 111188 Registration date   Status Member Last intervention   14 462
     
    Hi,
    I think operators are trying to avoid routing loops, like the one you're trying to create, so talk to your operator about it first.

    --
    And ... There you go!
    0
    1. lenainjaune Posted messages 726 Registration date   Status Contributor Last intervention   62
       
      Hello brupala, it's nice to exchange with you again :)

      I think the operators are trying to avoid routing loops

      I thought so too, but without really knowing how to prove it. Contacting the operator about this, in my opinion, they won't give me an answer. Moreover, the request is specific, and by the time I get a technician ...


      The goal is to call another local landline (in the same room, a few meters away) from a fixed phone, but forcing the outgoing call to go outside.

      In our network/telecom architecture, we have, on one hand, an ISDN telephony operator that allows us to call outside from a dedicated VoIP network, and on the other hand, an Internet Box. The Box also provides access to a phone that can directly access the outside.

      Currently, for our tests, we can call internal1-internal2, internal-external (national) (so internal-box (national)), and finally internal-external (INTERNational).


      To call internal2 via national, the trick is to set up call forwarding from the Box phone to internal2.

      It goes like this:

      internal1 -(national)-> box - -(national)-> internal2

      And it works perfectly ...


      What I was trying to do:

      internal1 -(INTERNational)-> box

      But that doesn't work, likely blocked by our telecom operator.


      I just had the following idea:

      internal1 -(national)-> box - -(INTERNational)-> internal2


      Provided that the ISP allows forwarding to INTERNATIONAL, it should work and bypass the possible blocking by the telecom operator ... What do you think?

      In that case, the forwarding number from the box should be: 0033 123456789, right?

      How would you do it otherwise to test?
      0
      1. lenainjaune Posted messages 726 Registration date   Status Contributor Last intervention   62 > lenainjaune Posted messages 726 Registration date   Status Contributor Last intervention  
         
        I just realized that my idea of doing international forwarding wouldn't help me achieve my goal of testing the outgoing rules internationally since we would be dialing a national number.

        So the question remains open...
        0
      2. brupala Posted messages 111188 Registration date   Status Member Last intervention   14 462 > lenainjaune Posted messages 726 Registration date   Status Contributor Last intervention  
         
        I just tested calling my mobile from my landline by dialing 0033768 ..... and the reverse, calling my landline from my mobile by dialing 0033247.... both work.
        Could it be your PABX that's filtering?
        1
      3. lenainjaune Posted messages 726 Registration date   Status Contributor Last intervention   62 > brupala Posted messages 111188 Registration date   Status Member Last intervention  
         
        Well, I could clearly see the call output on our BRI gateway => hypothesis of blocking by our operator

        Or else the number is incorrectly formatted when leaving the BRI => I will need to look into this more closely next Tuesday because I'm on vacation now :)

        Additionally, we have an IPBX

        I just tested it from home and indeed I was able to call from my mobile to my personal Box using the international format 0033 + 9-digit number.
        0
  3. baladur13 Posted messages 47399 Registration date   Status Moderator Last intervention   14 411
     
    Hello,
    Indeed, whether from a landline or a mobile, nothing prevents the use of international numbering prefixes.
    But I’m not sure that even when dialing a number from France using the international prefixes 0033 or +33 it implies that we will go through international to contact the called French number.
    Fernand Reynaud, in his time, passed through New York to get the 22 in Asnières, but that was before...
    I think that the systems responsible for routing calls are clever enough not to make mistakes.

    --
    Very difficult to catch a black cat in a dark room.
    Especially when it’s not there...
    0
    1. lenainjaune Posted messages 726 Registration date   Status Contributor Last intervention   62
       
      Fernand Reynaud, in his time, went through New York to get the 22 in Asnières

      :D

      @baladur13 I saw that you redirected my message to "Network > Landline"

      How come we can't see it in the "Network" forums

      At first, I wanted to post the message in a telephony forum, but I couldn't find one on CCM
      0
      1. baladur13 Posted messages 47399 Registration date   Status Moderator Last intervention   14 411 > lenainjaune Posted messages 726 Registration date   Status Contributor Last intervention  
         
        "Landline" is a sub-forum of the "Network" forum
        and your topic is clearly visible there
        0
      2. lenainjaune Posted messages 726 Registration date   Status Contributor Last intervention   62 > baladur13 Posted messages 47399 Registration date   Status Moderator Last intervention  
         
        My bad, I was looking in the list of forums :)
        0
  4. lenainjaune Posted messages 726 Registration date   Status Contributor Last intervention   62
     
    Back again ...

    Prerequisites: the phone number associated with the BOX is configured to forward all calls to an internal extension by national format (0 + 5 digits + 4 digits of the internal extension's direct dialing number)

    I retested:
    - from an internal phone to our BOX via international => same symptoms (I can see the outgoing call on the ISDN gateway, the number sent to our operator is 0033 + 9 digits, so it's well-formed, but I still get the message "the number is not assigned")
    - from a mobile to our BOX via international => it works perfectly, the phone a few steps away rings fine and shows the mobile number, so it's not an issue on our end

    As the initial goal was to test the outgoing rules, I will reach out to the company that distributes our IPBX to gather more information and if nothing works, I might consider contacting our ISDN operator (but I doubt they will do anything).

    In any case, my dialing for calls in France via international works, so problem solved :D !

    0