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15 posts

Geek


  #847140 29-Jun-2013 15:02
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brettmckenzienz raised the point of being able to dial out ok on 3G but not receiving incoming calls.

I also have been having this problem but didn't realise as the line was making mainly outgoing calls. I believe the problem may be associated with keeping the SIP session alive with the server. It only seems to happen with 3G as I've not noticed this on my other VoIP line running over ADSL.

I don't know how long it is, but when I call the 3G line after it's been up for a while it goes straight to voicemail (meaning my call isn't connecting to the SIP client). If I make a call from the 3G phone, then I can receive incoming calls to it again. I'm guessing that making the call causes the router to re-register with the server on that SIP line, so it'll be able to receive calls again until whenever it is that the session gets dropped again.

I'll look into this again when I have time, but my guess is I'll need a keep-a-live tweak or maybe an outgoing proxy configured. I'm open to suggestions however as I'm no VoIP geek.

15 posts

Geek


  #856036 15-Jul-2013 18:11
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I've had a look at the problem where the HG556a stops receiving incoming calls.

I've changed the sipSrvSessionExpires parameter from 32000 to 300 on a test HG556a and this seems to keep incoming calls coming but I've not tested it long enough to be sure.

This setting can be changed on the web interface at Voice\SIP\Sip Advanced and it's the Session Expires value.

 
 
 
 




104 posts

Master Geek


  #856089 15-Jul-2013 19:55
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Mate you're a legend - thanks for posting your updates with this - I'm regretting selling my HG556 now - I think I might have to look to buy one back!

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