I wonder if any of the NAT settings should be enabled on the ATA gateway (I have Linksys 2102) in the following configuration:
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[Rogers 10Mb / 512Kb internet connection] ---> [Linksys Cable Modem] ---> [Linksys WRT54G router with Tomato firmware] ---> [Linksys 2102 ATA gateway]
Also, with NAT Mapping enabled, I couldn't get 'NAT Keepalive' to work properly: I'm always getting a reply 'Temporarily Unavailable':
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Feb 20 16:52:54 192.168.1.15 NOTIFY sip:voip.freephoneline.ca SIP/2.0 Via: SIP/2.0/UDP 99.225.xyz.xyz:5060;branch=z9hG4bK-fc9840b0;rport From: volenin <sip:1416xxxxxxx@voip.freephoneline.ca>;tag=791156dacad33b68o0 To: <sip:voip.freephoneline.ca> Call-ID: 7b04ae22-52628cc0@192.168.1.15 CSeq: 72 NOTIFY Max-Forwards: 70 Contact: volenin <sip:1416xxxxxxx@99.225.xyz.xyz:5060> Event: keep-alive User-Agent: Linksys/SPA2102-5.2.10 Content-Length: 0
Feb 20 16:52:54 192.168.1.15 SIP/2.0 480 Temporarily Unavailable Via: SIP/2.0/UDP 99.225.xyz.xyz:5060;branch=z9hG4bK-fc9840b0;rport=5060 From: volenin <sip:1416xxxxxxx@voip.freephoneline.ca>;tag=791156dacad33b68o0 To: <sip:voip.freephoneline.ca>;tag=5f57799c6422099f69ed9fdf6014ae41.a919 Call-ID: 7b04ae22-52628cc0@192.168.1.15 CSeq: 72 NOTIFY Server: Sip EXpress router (0.9.6 (i386/freebsd)) Content-Length: 0
So, if ATA is behind a router, do you need to enable any NAT settings or not?..
Thanks,
Vlad