[SIPForum-discussion] 180 Ringing

[Stephen James]

Either case is valid. Esp. if the far end is interworking with ISUP. 
 
Stephen James 
sjames_1958 at yahoo.com
 
We are not princes of the earth, we are the descendants of worms, and any nobility must be earned.



________________________________
 From: Gerhard VanderWath <Gerhard.VanderWath at voxtelecom.co.za>
To: "discussion at sipforum.org" <discussion at sipforum.org> 
Sent: Monday, February 2, 2015 2:32 AM
Subject: [SIPForum-discussion] 180  Ringing
 


 
Hi all.

Just a quick one, should 183 session Progress be sent by callee before the 180 Ringing without SDP or after.

Regards





 
 
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