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How OCS would handle Ro If SDP-Media-Description-Type port value is 0.

+1 vote
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Either the device should drop that AVP with port 0 or It should be handled at OCS level.

posted Jun 27, 2016 by Hiteshwar Thakur

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Not sure OCS behaviour but post 0 is invalid. Check the following link  
https://tools.ietf.org/html/rfc4566#page-22

1 Answer

+1 vote

I tried to find out reference but not.
port 0 is invalid and device should drop it.

Thx
Laxmi

answer Jun 28, 2016 by anonymous
Thanks
Got the answer so would like to share.
The device would not drop it. Take a case where you do VoLTE video call. But called station have answered with just audio. In this case SDP-Med-Des type AVP will have port value as 0 because it is not used.

So the OCS will not rate the user for Video call. It will be an IMS audio call. OCS has to handle it.
Thanks again.
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