[Spce-user] ring generation?

Sean Peters scpeters at techsquared.com
Fri Sep 6 09:16:58 EDT 2019


I'm currently running CE 6.5 and have a coupe outbound dialed routes where the user does not hear a ring but the call progresses. Here is what the vendor is saying.

If you look at the signaling on this call Windstream sent back an initial ringback (183) right after they received the INVITE. This initial 183 included SDP/Media which signifies that they would have been playing the ringback. However 1 second later (see attachment) they sent a 183 without SDP/Media which puts the responsibility of ringback on the source switch, in other words your network.

This type of signaling is very common and the initial 183 SDP is referred to as early ringback. It is acceptable and is not something we would open a case with a downstream vendor on.

So what changes do I need to make so when Sipwise receives a 183 without SDP, SIPwise generates the ring tone my customer?

Thanks for any direction.

Sean
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