[SIPForum-discussion] Doubt regarding SDP exchange

Abhinav Gandhi abhinav.gandhi at suncorptech.com
Mon Dec 10 10:37:04 UTC 2007


Dear Murugesh, 
 
 PCM (A-law) is used for communication. The priority of UAC (one sending
the INVITE) is considered.
 
Regards,
Abhi
 

________________________________

From: discussion-bounces at sipforum.org
[mailto:discussion-bounces at sipforum.org] On Behalf Of Murgesh Kumbar
Sent: 10 December 2007 09:50
To: discussion at sipforum.org
Subject: [SIPForum-discussion] Doubt regarding SDP exchange



		Hi All,
		      
		 I have a small doubt regarding the SDP negotiation
between a User Agent Client - UAC & User Agent Server - UAS. The below
is the setup.
		        
		UAC Configurations:  1st  priority     PCMA (A-law) 
		                                2nd priority     PCMU
(U-Law) 
		 
		UAS Configurations:    1st  priority     PCMU (U-Law) 
		                                2nd priority     PCMA
(A-law) 
		 
		 
		
		If UAC sends INVITE with Codec supporting PCMA (A-law)
and PCMU (U-Law) with PCMA has high priority as per the above
configurations, how does the SERVER should respond? Does serevr should
consider the priority of its own first or it should consider the
priority of the client first .... Both server and client can support
both U-law & A-law but only the priority changes..  
		 

		Regards, 
		Murgesh 
		 
		<mailto:discussion at sipforum.org>  

________________________________

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