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Solved Pulling Call out from IVR from 3cx Client causes one way audio

Discussion in '3CX Phone System - General' started by Glenry, Oct 26, 2017.

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  1. Glenry

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    Has anyone come across an issue where if a user pulls a call out of an IVR it causes one way audio?

    3cx version 15.5.3849.1 All Patches up to date including latest clients
    Yealink T42G and S series phones on firmware 29.81.0.110 and 66.81.0.110 respectively
     
  2. YiannisH_3CX

    YiannisH_3CX Support Team
    Staff Member 3CX Support

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    Hello @Glenry

    Can you explain how the user pulls the call from the Ivr? Can you give a call scenario so we can better understand the issue?
     
  3. Glenry

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    Hi @YiannisH_3CX ,

    Users who have rights to control IVR within a group use the 3cx client receptionist panel to transfer expected incoming calls (based on caller id) directly to the required recipient. When this occurs while the incoming call is still within the IVR, once they are transferred one way audio occurs where the caller recipient can not hear the any audio. If this action is done once the incoming call has left the IVR there are no issues and audio is fine in both directions.
     
  4. YiannisH_3CX

    YiannisH_3CX Support Team
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    Thank you for the update, since i cannot replicate your issue i will send you a p.m. and request for some files. Please check your inbox
     
  5. Glenry

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    Remote support session with packet capture data highlighted the cause was due to the Patton SN4114 FXO being on a separate vlan. The following settings on within the 3cx SIP trunk resolved this on all sites.
    ON ... PBX Delivers Audio
    OFF ... Supports Re-Invite
    OFF ... Support Replaces
     
  6. YiannisH_3CX

    YiannisH_3CX Support Team
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    Glad the issue is resolved and thank you for updating the post with your solution.
     
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