Hi For an early dialogue sent after 1xx response to Invite and before the 2xx response, what is the expected behaviour for routing the early dialogue if 1xx(non-100) does not contain Contact Header.
Options: > Route the message to the same address where initial Invite was sent. > It is mandatory to give Contact header in 1xx if early dialogue is to be sent.( This would require change in RFC 3261). Give an error response to the early dialogue, if contact is not received in 1xx(non-100). > Fail the dialogue/call. regards Venkat *********************** Aricent-Restricted *********************** "DISCLAIMER: This message is proprietary to Aricent and is intended solely for the use of the individual to whom it is addressed. It may contain privileged or confidential information and should not be circulated or used for any purpose other than for what it is intended. If you have received this message in error, please notify the originator immediately. If you are not the intended recipient, you are notified that you are strictly prohibited from using, copying, altering, or disclosing the contents of this message. Aricent accepts no responsibility for loss or damage arising from the use of the information transmitted by this email including damage from virus."
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