VOIP calls without voice

  • Hello,

    Since I implemented pfsense in our network, we have the following problem:

    2 SIP phone are able to establish a coll on a remote site but, they have no voice.
    Local site to remote site = no problem

    I have no idea what is wrong. (the pfsense is currently only in our local site)

    Anyone here that can give me some info ?


  • What was in front your network before pfsense?

    Are you double natting traffic?

    network -> pfsense -> dsl router -> internet

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