[Sipping] sipping session mobility

[Salvatore Loreto <loretosal at yahoo.it>]

Hi all,

 

I've a question about the simultaneous mobility, of course it is a special case of a singol host mobility:

 

when a SIP UA changes his subnetwork and it obtains a new IP address,

it send a re-INVITE message, but my question is:

 

the REGISTER message (inorder to uptodate it location information) must be sent before or after the re-INVITE.

In the case of simultaneous mobility it should be sent before.

 

what do you think about?

 

best regards

/sal

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