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52 posts

Master Geek
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Topic # 91440 13-Oct-2011 12:08 Send private message

I'm running a PAP2T behind a Linksys WAG200G, nothing fancy.

The last couple of days I've noticed that after a while if I pickup my phone I hear no dialtone, I've also had reports that people are calling and going straight to voicemail.

I checked the info screen on the PAP2T and it was showing as 'Online', I waited for a until it 're-registered' (message saying 'next registration in X seconds') and as soon as it did I had dialtone.

This happened a couple of other times, but I didn't login to the PAP2T to check - I assumed the re-registration would occur and the dialtone would return eventually but it didn't. Rebooting the PAP2T fixes the problem, but it returns a few minutes later.


I tried forwarding UDP 5060 + UDP 35xxx-37xxx (can't remember exact port numbers) but same result.


Perhaps the NAT/Firewall state table is not keeping the RTP session alive?


I used to have the PAP2T behind pfsense + Linksys AG241 and I forwarded UDP 35xxx-37xxx  to the PAP2T to resolve one way audio issues, but I've since reverted to just using the WAG200G as the ADSL router.


Has anyone experienced similar issues?

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19536 posts

Uber Geek
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  Reply # 532798 13-Oct-2011 12:27 Send private message

Disable the SIP ALG for a start, it's probably the cause.




52 posts

Master Geek
+1 received by user: 27


  Reply # 532810 13-Oct-2011 12:34 Send private message

WAG200G doesn't have SIP ALG...

172 posts

Master Geek

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  Reply # 532832 13-Oct-2011 13:25 Send private message

chrispchikin , send me your details via pm and i'll have a look to see what i can find from this end.




Nicholas Cuc

Network Support
WorldxChange Communications
www.xnet.co.nz



172 posts

Master Geek

Trusted

  Reply # 533181 14-Oct-2011 07:03 Send private message

Hi,

Have had a look at it and can see the issue looks to be your DSL connection which is reconnecting alot. Have a word with the help desk guys to get your connection looked into. On the 12th alone there were 8 reconnections which i believe is breaking the NAT'ing between the WAG and PAP. 




Nicholas Cuc

Network Support
WorldxChange Communications
www.xnet.co.nz



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