Re: Several SDP session in a Local or Remote Descriptor

Javi,

For Case A with ReservedValue, MGW only reserves one RTP+ip. So, only one media session can be carried over, but the session
can use either payload formats 2 or 8.

For case B ReservedGroup, MGW reserves and returns 2 different RTP+IP addresses (if resources are available), one for each group.
There could be 2 simultaneous media sessions carried using payload formats 2 and 8 respectively, until reservedGroup is set to false.
Please note that reservedGroup can be kept ON until the termination is Subtracted.

Regards
Raju
________________________________
From: [email protected] [mailto:[email protected]] On Behalf Of Javi
Sent: Friday, December 09, 2011 12:07 PM
To: [email protected]
Subject: [Megaco] Several SDP session in a Local or Remote Descriptor

In a call, which is the difference between these two options (UDP port and IP address are the same in both?

Case A):

LocalControl {
   ReservedValue = true
},
Local {
   v=0
   c=IN IP4 adrressX
   m=audio portA RTP/AVP 2 8
}



Case B):

LocalControl {
   ReservedGroup = true
},
Local {
   v=0
   c=IN IP4 $
   m=audio portA RTP/AVP 2

   v=0
   c=IN IP4 $
   m=audio portA RTP/AVP 8
}


Regards,

Javi

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