ParlayX 3.0 Audio Call Service - No SIP or INAP/SS7 southbound plugin
                    
Hi,
	
	
	
	
	
	
	
	
                 
                As we know that OCSG supports
	Parlay X 2.1 Third Party Call --> SIP
	
						  --> INAP/SS7
And 
	Parlay X 3.0 Audio Call          --> Parlay 3.3 Multi-Party Call Control and Call User Interaction
Why not no SIP or INAP based southbound plugin for Audio Call Parlay X 3.0 Audio Call service? Is it a design decision or a technical constraint or huge effort?
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