Forwarding to mobile - 480 temp unavailable

Discussion in '3CX Phone System - General' started by itssab, Jul 15, 2014.

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  1. itssab

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    Hello!

    We have a strange problem that I can't seem to solve. It appeared all the sudden, without any changes that I know of.
    We have an incoming route that looks like this:

    1.Ring Group 80 - Ring All (20 sec)
    No answer, forward to>
    2.Ring Group 85 - Busy (20 sec)
    No answer, forward to>
    3.Send to voicemail

    The Ring Group - Busy contains two extensions put as Out of office and set to forward to our mobile phones.
    This has worked flawlessly before. After our office phones stop ringing, our mobile phones started ringing.

    Now, it jumps straight from ringing our office phones to voicemail.
    I have spoken with our SIP provider, and they can't find any problem on their end. I've also run the 3cx firewall checker and it's all green. We have an NFR license with 4 lines.

    Oh, if we dial the ring Ring Group - Busy extension from the inside, it works. Both our mobile phones ring as they should.
    It's only when you call from the outside that it fails.

    From the logs:

    Call or Registration to 0735046xxx@(Ln.10000@Teletek - 3CX 12) has failed. [ V4 212.3.x.xxx:5060 UDP target domain=unspecified mFlowKey=976 ] replied: 480 Temporarily Unavailable; from IP:212.3.x.xxx:5060
    Call or Registration to 0704864xxx@(Ln.10000@Teletek - 3CX 12) has failed. [ V4 212.3.x.xxx:5060 UDP target domain=unspecified mFlowKey=976 ] replied: 480 Temporarily Unavailable; from IP:212.3.x.xxx:5060

    and

    15-jul-2014 10:00:51.987 Leg L:2.8[Line:10000>>0735046xxx] is terminated: Cause: 480 Temporarily Unavailable/INVITE from 212.3.x.xxx:5060
    15-jul-2014 10:00:51.987 L:2.1[Line:10000<<0735046xxx] failed to reach RingAll:85, reason Temporarily Unavailable
    15-jul-2014 10:00:51.987 Call to T:RingAll:85@[Dev:sip:9362679b2dxxxxxx.teletek.se@sip4.telxxxx.se:5060] from L:2.1[Line:10000<<0735046xxx] failed, cause: Cause: 480 Temporarily Unavailable/INVITE from 212.3.x.xxx:5060
    15-jul-2014 10:00:51.987 [CM503003]: Call(C:2): Call to <sip:0735046xxx@sip4.texxxx.se:5060> has failed; Cause: 480 Temporarily Unavailable/INVITE from 212.3.x.xxx:5060

    Please help :-/ Is there a way to get further info about this error? Verbose mode doesn't give me any additional errors really, as far as I can see. But if you need it, I can print it out.

    Best regards
    Daniel
     
  2. pj3cx

    pj3cx Active Member

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    Hi Daniel,
    So basically you expect the call to ring group members to follow their forwarding rules, but this can't be, it is the same with queues.
    Ring group tries to reach an extension, if it doesn't picks call and no other member picks it, it goes to the No answer rule, not following forwarding rules per extension basis.

    If you need the mobiles to be rang you could do the following :

    1.Ring Group 80 - Ring All (20 sec)
    No answer, forward to>

    2.Queue Busy with 2 external agents which will have mobile numbers of the 2 extensions you had in ring group 85
    (ensure to have a matching oubound rule with prefix or number length criterias for the system to be able to dial).

    3.Queue Destination if no answer -> Send to voicemail of someone.
     
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  3. itssab

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    Thank you for helping out, I'll try it.

    But...

    This has always worked before? And it's still working if I call the extension internally. If I dial 85 (the busy ring group) it will ring two extensions that are set to Out of Office and it will immediately forward to their mobile phones. This does work.
    This also used to work flawlessly when someone called us from the outside, but suddenly it just doesn't anymore.

    The outbound rule is as it should and it doens't complain about it.
     
  4. leejor

    leejor Well-Known Member

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    Looking at the log, it would appear that the call is routing to the destination that you want. However, it is getting a condition (480 Temporarily Unavailable/INVITE) from 212.3.0.165:5060
    Is your provider (teletek) able to give you any help with why the calls are failing? Could they have changed requirements as to what digits (format?) they accept?


     
  5. itssab

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    I'm sorry for taking up your time with this, guys. It appears the voip provider DID have a problem after all.
    I found out that all forms of redirections to external phones failed. Some problem with number translation.

    So not a 3CX problem after all!

    Cheers for trying to help, appreciate it!
     
  6. pj3cx

    pj3cx Active Member

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    Ok that's good news,

    That being said about the forwarding rules,
    You are right, it will not follow any forwarding rules only when in profile Available, if in Away or Out of Office, forwarding to mobile or to external number is applied.
     
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