3cx for iOS - No Audio / Call Disconnects

Discussion in 'iOS' started by Printcnx, Feb 6, 2017.

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  1. Printcnx

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    Having the following problems with 3CX for iOS.

    Running 3cx V15 with all latest updates - linux install.
    Running 3cx Client for iOS V 15.2.4.122

    Having the following problems on an ongoing basis.

    Call Extension (Desk Phone) they hear no audio for a couple seconds after picking up happens probably 80% of the time.

    If on the phone with one extension and another calls in if call is not answered both calls will drop once second caller hangs up. Happens 90% of the time

    Often the iOS app will stop working where no calls come in or if they do no audio either direction and calling out does not work even though status says registered.

    3cx Server is on a gigabit fiber line sip trunking provided by vitelity.
    Remote users are on cable lines 100mbs down 25mbs up.

    When it works it works great hoping someone has a fix or work around to get better performance.
     
  2. Vali_3CX

    Vali_3CX Well-Known Member
    Staff Member 3CX Support

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    Hi
    - The iOS clients are connected in- or out-of office?
    - The audio delay also happen when calling the echo service (*777) ?
    Thanks
     
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  3. Printcnx

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    iOS Clients are working in remote offices.
    I've checked the blacklist in 3cx and confirmed that their IP addresses are not being blocked.

    *777 echo service there is a slight delay which I would consider normal.
    The audio delay problem that we are having is when an iOS user calls into the office from a remote location. The iOS user can hear the person but they cannot hear the iOS user for a few seconds. After the initial delay of 2-5 seconds call works normally.

    More often then not however both users see that the connection is established but neither have audio. In this case rebooting the phone (iOS) seems to clear up the issue for a bit.

    Remote users are using iPhone 6s and 6s plus models.
     
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