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SIP Billing

  • This topic has 3 replies, 1 voice, and was last updated 16 years ago by teodor georgiev.
Viewing 4 posts - 1 through 4 (of 4 total)
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  • #29062 Reply

    I am curious to know, it appears that this is a common problem that nobody had the answer to include the VoIP providers. When a call initiates sometime when using services like SkypeOut etc.. billing starts before the call has actually answered, is this something to do with time delay? i.e. it starts billing after 3 seconds whether connected or not? Or is there another reason that this could be due to?

    #29063 Reply

    It is called “False Answer Supervision” and is a sign of a low quality carrier or someone who is trying to charge you for calls when noboby even picks up the phone. You’re throwing away money

    #29064 Reply

    More details on your setup required to analyse the problem.

    #29065 Reply
    teodor georgiev

    This happens only on analog lines (analog = not ISDN, or R2) with gateways who do not support (or are misconfigured) voice based answer/disconnect supervision.

    So, if your calls are to “civilised” countries like North America and Europe, this won’t be a problem.

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Reply To: SIP Billing
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