Hi , I have doubt in PRACK message.. i) Proxy MUST NOT attempt to sent reliable provisional responses.for any request that contains tag in the To field. That is, a proxy cannot generate reliable provisional responses to requests sent within the context of a dialog. As per RFC 3262.. (section 3 .. UAS Behavior) ii) A UAS MUST NOT attempt to send a 100 (Trying) response reliably. Can Anyone help me to understand these statement... i) why a proxy cannot generate reliable provisional responses to requests sent within the context of a dialog. ...and ii) why UAS MUST NOT attempt to send a 100 (Trying) response reliably .. Thanks in advance.. Regards, Nithyakumar.R Huawei Technologies India Ltd., This e-mail and attachments contain confidential information from HUAWEI, which is intended only for the person or entity whose address is listed above. Any use of the information contained herein in any way (including, but not limited to, total or partial disclosure, reproduction, or dissemination) by persons other than the intended recipient's) is prohibited. If you receive this e-mail in error, please notify the sender by phone or email immediately and delete it
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