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    Strange. But sofia reports "CODEC NEGOTIATION ERROR".<br>
    <br>
    <div class="moz-cite-prefix">Am 22.08.2018 um 15:55 schrieb Paul
      Muaddib:<br>
    </div>
    <blockquote type="cite"
cite="mid:CAEjNe_HXmHuE10Jd3xaBCcrkfyzc_R=dO720_nOHODhS6ftxQw@mail.gmail.com">
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        <div>vars.xml<br>
          <br>
            <X-PRE-PROCESS cmd="set"
          data="global_codec_prefs=PCMA,PCMU"/><br>
            <X-PRE-PROCESS cmd="set"
          data="outbound_codec_prefs=PCMA,PCMU"/><br>
          <br>
        </div>
        <div class="gmail-layoutRow">
          <div class="gmail-left-pad">
            <div class="gmail-gwt-HTML">My phones, all Grandstream
              GXP2140, accept PCMA and PCMU</div>
            <div class="gmail-gwt-HTML"><br>
            </div>
            <div class="gmail-gwt-HTML">I don't have trouble with other
              people calling me<br>
            </div>
          </div>
        </div>
      </div>
      <br>
      <div class="gmail_quote">
        <div dir="ltr">Am Mi., 22. Aug. 2018 um 15:21 Uhr schrieb
          Thorsten Göllner <<a
            href="mailto:tg-maillistings@level5.de"
            moz-do-not-send="true">tg-maillistings@level5.de</a>>:<br>
        </div>
        <blockquote class="gmail_quote" style="margin:0 0 0
          .8ex;border-left:1px #ccc solid;padding-left:1ex">
          <div text="#000000" bgcolor="#FFFFFF"> Only PCMA@8000 is
            offered. Check device if codec is activated.<br>
            <br>
            <div class="m_3731525015767878569moz-cite-prefix">Am
              21.08.2018 um 15:06 schrieb Paul Muaddib:<br>
            </div>
            <blockquote type="cite">
              <div dir="ltr">
                <div>Hi,</div>
                <div><br>
                </div>
                <div>I have a rarely error where I get this failure
                  message in the log file. I am bit wondering because
                  this is suposed to be a normal voice call and not a
                  fax.<br>
                </div>
                <div><br>
                </div>
                <div>Best regards,<br>
                </div>
                <div>Paul.<br>
                </div>
                <div><br>
                </div>
                <div>fe3eed7c-e03a-40af-bc2e-ae0bfe54bb28 2018-08-20
                  14:04:54.056776 [INFO] switch_ivr_originate.c:1215
                  Sending early media<br>
                  fe3eed7c-e03a-40af-bc2e-ae0bfe54bb28 2018-08-20
                  14:04:54.056776 [ERR] mod_sofia.c:2343 CODEC
                  NEGOTIATION ERROR.  SDP:<br>
                  fe3eed7c-e03a-40af-bc2e-ae0bfe54bb28 v=0^M<br>
                  fe3eed7c-e03a-40af-bc2e-ae0bfe54bb28 o=- 20012711
                  20012711 IN IP4 217.0.15.67^M<br>
                  fe3eed7c-e03a-40af-bc2e-ae0bfe54bb28 s=on transit^M<br>
                  fe3eed7c-e03a-40af-bc2e-ae0bfe54bb28 c=IN IP4
                  X.X.X.X^M<br>
                  fe3eed7c-e03a-40af-bc2e-ae0bfe54bb28 t=0 0^M<br>
                  fe3eed7c-e03a-40af-bc2e-ae0bfe54bb28 m=audio 13274
                  RTP/AVP 8 118 126 101^M<br>
                  fe3eed7c-e03a-40af-bc2e-ae0bfe54bb28 a=rtpmap:8
                  PCMA/8000^M<br>
                  fe3eed7c-e03a-40af-bc2e-ae0bfe54bb28 a=rtpmap:118
                  PCMA/8000^M<br>
                  fe3eed7c-e03a-40af-bc2e-ae0bfe54bb28 a=rtpmap:126
                  CLEARMODE/8000^M<br>
                  fe3eed7c-e03a-40af-bc2e-ae0bfe54bb28 a=rtpmap:101
                  telephone-event/8000^M<br>
                  fe3eed7c-e03a-40af-bc2e-ae0bfe54bb28 a=fmtp:101 0-15^M<br>
                  fe3eed7c-e03a-40af-bc2e-ae0bfe54bb28 a=gpmd:118
                  vbd=yes^M<br>
                  fe3eed7c-e03a-40af-bc2e-ae0bfe54bb28 a=ptime:20^M<br>
                  fe3eed7c-e03a-40af-bc2e-ae0bfe54bb28 m=image 11232
                  udptl t38^M<br>
                  fe3eed7c-e03a-40af-bc2e-ae0bfe54bb28
                  a=T38FaxVersion:0^M<br>
                  fe3eed7c-e03a-40af-bc2e-ae0bfe54bb28
                  a=T38MaxBitRate:14400^M<br>
                  fe3eed7c-e03a-40af-bc2e-ae0bfe54bb28
                  a=T38FaxMaxBuffer:3000^M<br>
                  fe3eed7c-e03a-40af-bc2e-ae0bfe54bb28
                  a=T38FaxMaxDatagram:500^M<br>
                  fe3eed7c-e03a-40af-bc2e-ae0bfe54bb28
                  a=T38FaxRateManagement:transferredTCF^M<br>
                  fe3eed7c-e03a-40af-bc2e-ae0bfe54bb28
                  a=T38FaxUdpEC:t38UDPRedundancy^M<br>
                  fe3eed7c-e03a-40af-bc2e-ae0bfe54bb28<br>
                  fe3eed7c-e03a-40af-bc2e-ae0bfe54bb28 2018-08-20
                  14:04:54.056776 [NOTICE] switch_channel.c:3515 Hangup
                  sofia/external/+<a
                    href="mailto:49XXXXXXXXX@sip-trunk.telekom.de"
                    target="_blank" moz-do-not-send="true">49XXXXXXXXX@sip-trunk.telekom.de</a>
                  [CS_EXECUTE] [INCOMPATIBLE_DESTINATION]<br>
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