Per se my SIP delay issues from inbound-only (outbound OK) SIP traffic, up to 60 seconds to originate an audio call, I'm thinking its cuz of the 1:1 mapping in place for the SIP gateway to a WAN IP. Someone else made this decision, I think they're wrong to do so. I figure revert it back to SIP ports under the ACL and be done w/ it. Inspection rules apply to 1:1 as well?
Table of ContentsIntroductionVersion HistoryPossible Future
UpdatesDocuments PurposeNAT Operation in ASA 8.3+ SectionsRule Types
Network Object NATTwice NAT / Manual NATRule Types used per SectionNAT
Types used with Twice NAT / Manual NAT and Network Obje...
Table of Contents Introduction:This document describes details on how
NAT-T works. Background: ESP encrypts all critical information,
encapsulating the entire inner TCP/UDP datagram within an ESP header.
ESP is an IP protocol in the same sense that TCP an...