I will have an ASA5505 with IP phones on both the inside and outside interfaces. All subnets on either side of the firewall will be using a private IP address scheme and their will be no internet access available via this firewall. The question I have as to do with IP phones on the outside interface trying to communicate with phones on the inside interface of this firewall. Is there a way to allow calls that originate on the outside interface that are looking to communicate with IP phones on the inside interface without having to setup static translations for all IP phones on the inside interface?
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...