Yes, the two "fax_enable_t38*" will signal to your gateway to enable T.38. Your gateway, of course, must be configured to T.38 mode when requested.

Correction to my statement. mod_spandsp works with both ATA gateways and TDM cards.

On Thu, May 31, 2018 at 4:10 AM, Hossein Gholizadeh <hggh96.hg@gmail.com> wrote:

You mean like this i have to enable T.38 ? may you explain it more about configs?

<action application="answer" />
<action application="playback" data="silence_stream://2000"/>
<action application="set" data="fax_enable_t38=true"/>
<action application="set" data="fax_enable_t38_request=true"/>
<action application="rxfax" data=" $${base_dir}/faxes/${uuid}.tif "/>
<action application="hangup"/>

On Thu, May 31, 2018 at 5:20 AM Nandy Dagondon <nandy1925@gmail.com> wrote:

If you're using an FXO gateway, use its T.38 feature.  In your dialplan, you're using spandsp (e.g. rxfax). They work only with FTDM analog cards e.g. Sangoma, Digium, etc. - I guess.

On Tue, May 29, 2018 at 10:10 AM, Hossein Gholizadeh <hggh96.hg@gmail.com> wrote:

hi ... i have my gateway on 192.168.30.32 and a phone which connected to gateway 984432250161.

I configured them like this : 

1.created a xml file in \conf\sip_profiles\external with name cheap_tel.xml and the content is this :

<include>

   <gateway name="provider">

     <param name="proxy" value="192.168.30.32"/>

     <param name="register" value="false"/>

     <param name="caller-id-in-from" value="true"/> <!--Most gateways seem to want this-->

     <param name="username" value="not-used"/>

     <param name="password" value="not-used"/>

   </gateway>

</include>

2.and in acl.conf added this node : 

      <node type="allow" cidr="192.168.30.32/32"/> 

is my gateway config right ? because when i want to send a fax file by loopback with this command i have no error but fax is not saved in directory :

Command ----> originate sofia/gateway/provider/984432250161 &txfax(C:/test.tiff)

And also my dialplan configs for fax is this :

 <extension name="fax_detect">

      <condition field="destination_number" expression="^984432250161$">

        <action application="answer" />

        <action application="set" data="transfer_ringback=${us-ring}" />

<action application="spandsp_start_fax_detect" data="transfer '9978                                    XML default' 10 ced"/>

        <action application="bridge" data="user/$1@${domain_name}" />

      </condition>

    </extension>

    <extension name="fax_receive">

  <condition field="destination_number" expression="^9978$">

<action application="answer" />

<action application="playback" data="silence_stream://2000"/>

<action application="rxfax" data="$${base_dir}/faxes/${uuid}.tif"/>

<action application="hangup"/>

  </condition>

    </extension>

Can any one help me? 

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