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I've configured not less than 20 routers but this one is driving me crazy. I purchased a TP-Link TD-W8951ND
modem-router and now I'm trying to configure my VoIP device to make/get calls.
This works fine so far but additionally I have a CallerID that supposedly requires ports 5060-5061/UDP and 10000-30000/UDP forwarded to the ATA device, so I disabled Firewall on my router, same with SPI, went to Advanced setup -> NAT -> chose PVC 1 (which is the one I'm using for PPPoE), and as parameters I entered:
- Rule index: 1
- Port start: 5060
- Port end: 5061
- Protocols: Both
Something similar I've performed for 10000-30000/UDP ports. This is actually saved, but once I do a nmap
I get:
rpi@rpi $ sudo nmap XXX.XXX.XXX.XXX -p 5060-5061 -Pn
Starting Nmap 6.00 ( http://nmap.org ) at 2014-03-14 21:57 WET
Nmap scan report for XXXXXXXXXXXXXXX
Host is up.
PORT STATE SERVICE
5060/tcp filtered sip
5061/tcp filtered sip-tls
Nmap done: 1 IP address (1 host up) scanned in 4.12 seconds
Which should be open
or closed
instead. I don't know what else to try, since this seems to be a pretty simple thing and I can't figure out what else is missing. The modem-router device has factory default values in exception of the ones I've mentioned above. Does anyone know what could be the issue?