Differences

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--- sip:fent [2010/11/09 11:42] – tibor
+++ sip:fent [2010/11/09 11:49] (current) – tibor
@@ Line 2: / Line 2: @@
 The Internet Gate can enable SIP connectivity for remote users that use NAT devices without SIP support. It can adapt to characteristics of remote NAT devices.
+**Using FENT you can allow people behind non-SIP-capable NAT firewalls to register on your Internet Gate's SIP server.**
 :!: You might need to purchase a [[:license]] to be able to use FENT in your unit.
@@ Line 7: / Line 9: @@
 You configure FENT on the [[:web GUI:Advanced SIP Settings]] page.
-FENT sends keep-alive packets to remote SIP clients behind non-SIP-capable firewalls to keep the SIP communications channel free to them. The keep-alive packets are SIP messages that are sent more often than the remote firewall's timeout.
+FENT sends keep-alive packets to remote SIP clients behind non-SIP-capable firewalls to keep the SIP communications channel open to them. The keep-alive packets are SIP messages that are sent more often than the remote firewall's timeout.
 {{:sip:fent_1.png|Far End NAT Traversal}}
@@ Line 16: / Line 18: @@
 You can enable both methods, then the REGISTER method is tried first and if it does not work properly the OPTIONS method is used.
+===== Shortest media path =====
+By enabling **Detect endpoints behind same NAT** you allow SIP clients behind the same remote NAT making local calls to each other to send media locally between them on that LAN.
+{{:sip:fent_2.png|media on remote LAN}}