[SIPForum-discussion] Should session version in "o=" line be same for 180 ringing and 200 ok message?

[Vijay Tiwari]

Hello Siddharth

In ideal condition this will same but if you are modifying your SDP in 200
ok massage then it will change. because Session Version "o=" is use a
session identifier.

for more help send me your SDP of (invite-----180---200)

Regards
vijay tiwari



On Wed, May 15, 2013 at 1:08 PM, siddharth sharma
<sid77sharma77 at gmail.com>wrote:

> Hi Guys,
>
> I have one scenario, where my carrier is complaining that their calls are
> getting disconnected after few milliseconds.
> According to their analysis, they are saying that session version in "o="
> line  is not same as in 180 ringing and 200 Ok message.
> Because of this, they are sending BYE message.
>
> Is this valid reason?
>
> I have checked message, I have not found any difference.
>
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