[Spce-user] Generate Ringback tone and 183 when receiving 180 ?

[Raúl Alexis Betancor Santana]

Thats not true Walter, 

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. 
180 means your originating UA (your phone or softphone), SHOULD generate the ring-back tone. 

So better check your UA's to see why they don't generate ring-back when receive the 180. 

> De: "Walter Klomp" <walter at myrepublic.com.sg>
> Para: spce-user at lists.sipwise.com
> Enviados: Miércoles, 22 de Junio 2016 7:57:55
> Asunto: [Spce-user] Generate Ringback tone and 183 when receiving 180 ?

> Hi,

> Running CE 3.8.5:

> Some PBX’es (including asterisk) have a broken implementation of 180, and don’t
> generate ringback to the endpoints.

> When those users call off-net, all works well because 183 comes back and the
> ringing is in-band.

> 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.

> Is there a way to tweak Sipwise to generate ringback and 183, instead of 180 ?

> Walter.

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