<html><body><div style="font-family: arial, helvetica, sans-serif; font-size: 12pt; color: #000000"><div>Thats not true Walter,<br></div><div><br data-mce-bogus="1"></div><div>Asterisk it's not resposible of generating ring-back, if you don't tell it to do so (r option on the Dial app), SIP standar said that 183 it's a progress-passing ... that means, with RTP, could be a ring tone, or could be waiting music or whatever the callee whants to send you.<br data-mce-bogus="1"></div><div>180 means your originating UA (your phone or softphone), SHOULD generate the ring-back tone.<br data-mce-bogus="1"></div><div><br data-mce-bogus="1"></div><div>So better check your UA's to see why they don't generate ring-back when receive the 180.<br data-mce-bogus="1"></div><div><br></div><hr id="zwchr" data-marker="__DIVIDER__"><div data-marker="__HEADERS__"><blockquote style="border-left: 2px solid #1010FF; margin-left: 5px; padding-left: 5px; color: #000; font-weight: normal; font-style: normal; text-decoration: none; font-family: Helvetica,Arial,sans-serif; font-size: 12pt;" data-mce-style="border-left: 2px solid #1010FF; margin-left: 5px; padding-left: 5px; color: #000; font-weight: normal; font-style: normal; text-decoration: none; font-family: Helvetica,Arial,sans-serif; font-size: 12pt;"><b>De: </b>"Walter Klomp" <walter@myrepublic.com.sg><br><b>Para: </b>spce-user@lists.sipwise.com<br><b>Enviados: </b>Miércoles, 22 de Junio 2016 7:57:55<br><b>Asunto: </b>[Spce-user] Generate Ringback tone and 183 when receiving 180 ?<br></blockquote></div><div data-marker="__QUOTED_TEXT__"><blockquote style="border-left: 2px solid #1010FF; margin-left: 5px; padding-left: 5px; color: #000; font-weight: normal; font-style: normal; text-decoration: none; font-family: Helvetica,Arial,sans-serif; font-size: 12pt;" data-mce-style="border-left: 2px solid #1010FF; margin-left: 5px; padding-left: 5px; color: #000; font-weight: normal; font-style: normal; text-decoration: none; font-family: Helvetica,Arial,sans-serif; font-size: 12pt;"><div>Hi,<br class=""> <span style="color: #5856d6;" data-mce-style="color: #5856d6;" color="#5856d6"><br class=""> </span>Running CE 3.8.5:<br class=""></div><div><br class=""></div><div>Some PBX’es (including asterisk) have a broken implementation of 180, and don’t generate ringback to the endpoints.</div><div><br class=""></div><div>When those users call off-net, all works well because 183 comes back and the ringing is in-band. </div><div><br class=""></div><div>When users call on-net to other users, they typically get 180 back, and then silence until the destination picks up the call. This is undesirable.</div><div><br class=""></div><div>Is there a way to tweak Sipwise to generate ringback and 183, instead of 180 ?</div><div><br class=""></div><div>Walter.</div><div><br class=""></div><br class=""> <br>_______________________________________________<br>Spce-user mailing list<br>Spce-user@lists.sipwise.com<br>https://lists.sipwise.com/listinfo/spce-user<br></blockquote></div></div></body></html>