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<p class="MsoNormal">Thank you George.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Using slin16 instead of generic slin resolved the issue.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Have a good day!<o:p></o:p></p>
<p class="MsoNormal">Dan<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><b>From:</b> asterisk-users <asterisk-users-bounces@lists.digium.com>
<b>On Behalf Of </b>George Joseph<br>
<b>Sent:</b> Wednesday, October 13, 2021 8:22 AM<br>
<b>To:</b> Asterisk Users Mailing List - Non-Commercial Discussion <asterisk-users@lists.digium.com><br>
<b>Subject:</b> [External] Re: [asterisk-users] Question on ExternalMedia and the codec<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">On Tue, Oct 12, 2021 at 2:54 PM Dan Cropp <<a href="mailto:dan@amtelco.com">dan@amtelco.com</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">We tell asterisk to use the slin format for ExternalMedia. However, the unicast channel is selecting ulaw formatand the RTP data is indicating it’s ulaw format.<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Anyone know why ulaw format would be on chosen?<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">What do your ARI requests look like? Are you just requesting "slin" or one of the specific variants?<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">[10/12 16:13:39.396] DEBUG[1665] http.c: HTTP Request URI is /ari/channels/externalMedia?app=a2519b4b-4d90-4d18-906b-717d02f8d569&external_host=192.168.32.148:8080&format=slin<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">[10/12 16:13:39.396] DEBUG[1665] http.c: match request [ari/channels/externalMedia] with handler [static] len 6<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">[10/12 16:13:39.396] DEBUG[1665] http.c: match request [ari/channels/externalMedia] with handler [ari] len 3<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">[10/12 16:13:39.396] DEBUG[1665] http.c: Match made with [ari]<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">[10/12 16:13:39.396] DEBUG[1665] res_ari.c: Finding handler for channels/externalMedia<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">[10/12 16:13:39.396] DEBUG[1665] res_ari.c: Finding handler for channels<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">[10/12 16:13:39.396] DEBUG[1665] res_ari.c: Checking ari deviceStates: Didn't match channels<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">[10/12 16:13:39.396] DEBUG[1665] res_ari.c: Checking ari applications: Didn't match channels<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">[10/12 16:13:39.396] DEBUG[1665] res_ari.c: Checking ari channels: Explicit match with channels<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">[10/12 16:13:39.396] DEBUG[1665] res_ari.c: Finding handler for externalMedia<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">[10/12 16:13:39.396] DEBUG[1665] res_ari.c: Checking channels create: Didn't match externalMedia<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">[10/12 16:13:39.396] DEBUG[1665] res_ari.c: Checking channels channelId: Matched wildcard.<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">[10/12 16:13:39.396] DEBUG[1665] res_ari.c: Checking channels externalMedia: Explicit match with externalMedia<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">[10/12 16:13:39.396] DEBUG[1665] acl.c: For destination '192.168.32.148', our source address is '192.168.33.34'.<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">[10/12 16:13:39.396] DEBUG[1665] rtp_engine.c: Using engine 'asterisk' for RTP instance '0x7fef60018320'<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">[10/12 16:13:39.396] DEBUG[1665] res_rtp_asterisk.c: (0x7fef60018320) RTP allocated port 12226<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">[10/12 16:13:39.396] DEBUG[1665] res_rtp_asterisk.c: (0x7fef60018320) ICE creating session
<a href="http://192.168.33.34:12226" target="_blank">192.168.33.34:12226</a> (12226)<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">[10/12 16:13:39.396] DEBUG[1665] res_rtp_asterisk.c: (0x7fef60018320) ICE create<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">[10/12 16:13:39.396] DEBUG[1665] res_rtp_asterisk.c: (0x7fef60018320) ICE add system candidates<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">[10/12 16:13:39.396] DEBUG[1665] res_rtp_asterisk.c: (0x7fef60018320) ICE add candidate:
<a href="http://192.168.33.34:12226" target="_blank">192.168.33.34:12226</a>, 2130706431<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">[10/12 16:13:39.396] DEBUG[1665] rtp_engine.c: RTP instance '0x7fef60018320' is setup and ready to go<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">[10/12 16:13:39.396] DEBUG[1665] channel_internal_api.c: <initializing>: Formats: (none)<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">[10/12 16:13:39.396] DEBUG[1665] channel_internal_api.c: Channel is being initialized or destroyed<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">[10/12 16:13:39.396] DEBUG[1665] stasis.c: Creating topic. name: channel:1634055219.4, detail:<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">[10/12 16:13:39.396] DEBUG[1665] stasis.c: Topic 'channel:1634055219.4': 0x7fef6008d170 created<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">[10/12 16:13:39.396] DEBUG[1665] channel.c: Channel 0x7fef6008a910 'UnicastRTP/192.168.32.148:8080-0x7fef60018320' allocated<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">[10/12 16:13:39.396] DEBUG[1665] acl.c: For destination '192.168.32.148', our source address is '192.168.33.34'.<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">[10/12 16:13:39.396] DEBUG[1665] channel_internal_api.c: UnicastRTP/192.168.32.148:8080-0x7fef60018320: Formats: (ulaw)<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">[10/12 16:13:39.396] DEBUG[1665] channel_internal_api.c: New topology set<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">[10/12 16:13:39.396] DEBUG[1665] res_stasis.c: a2519b4b-4d90-4d18-906b-717d02f8d569: Subscribing to 1634055219.4<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">[10/12 16:13:39.396] DEBUG[1665] stasis/app.c: Channel '1634055219.4' is 1 interested in a2519b4b-4d90-4d18-906b-717d02f8d569<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">[10/12 16:13:39.396] DEBUG[1665] http.c: HTTP keeping session open. status_code:200<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">[10/12 16:13:39.396] DEBUG[1666] stasis/app.c: Channel '1634055219.4' is 2 interested in a2519b4b-4d90-4d18-906b-717d02f8d569<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Have a good day!<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Dan<o:p></o:p></p>
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