SIP Trunk calls receiving but no voice

Discussion in '3CX Phone System - General' started by kirankumar171, Apr 4, 2017.

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  1. kirankumar171

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    SIP Trunk calls out going and incoming but no voice
    firewall test also good please help me
     
  2. leejor

    leejor Well-Known Member

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    No voice, which direction? Both? If so it may be a Codec issue. Check the Activity logs for any error messages right after a call.

    Is this a new installation, or were the trunks working in the past? Which provider are you using?
     
  3. kirankumar171

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    issue with both directions the trunks working fine in past

    Registration at 2022-Bridge has failed. Destination is not reachable, DNS error resolving FQDN, or service is not available.
     
  4. YiannisH_3CX

    YiannisH_3CX Support Team
    Staff Member 3CX Support

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    The error suggests that there is an issue with the trunk registration. Is it an IP based trunk or authentication based?
    Are you using an IP to register or an FQDN?
     
  5. kirankumar171

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    Hi it is authentication based
    yes I'm using IP
     
  6. kirankumar171

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    ware I have to register FQDN
     
  7. YiannisH_3CX

    YiannisH_3CX Support Team
    Staff Member 3CX Support

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    Calls between extensions have audio? I would start by disabling anything that may block traffic to and from the PBX.
    Also you can try a free test provider to see if audio is ok with a different provider. If it works then you need to contact your provider.
     
  8. kirankumar171

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    Calls between extensions audio is good only the issue with SIP trunk
     
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