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2012-11-02
, 16:07
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Posts: 646 |
Thanked: 1,124 times |
Joined on Jul 2010
@ Espoo, Finland
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#2
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Are you sure it's N9 problem and not your firewall problem?
I had a similar issue at home with my VoIP phone, but it was due to the fact that my stateful firewall was leaving open the STP/RTP ports only if I was calling.
Solution was to add port forwarding for STP/RTP service to the IP address of the VoIP phone device.
I had a similar issue at home with my VoIP phone, but it was due to the fact that my stateful firewall was leaving open the STP/RTP ports only if I was calling.
Solution was to add port forwarding for STP/RTP service to the IP address of the VoIP phone device.
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2012-11-03
, 01:31
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Posts: 30 |
Thanked: 13 times |
Joined on Feb 2012
@ NC USA
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#3
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Is this problem over wifi or 3G? or both? If this happens on your personal wifi network, check whether SIP ALG is enabled on your router. If it is, disable it - it usually creates more problems.
Your phone is likely NAT'ed and the SIP proxy will want to keep the NAT open by sending a keep-alive; and your SIP UA will also be prompted to reregister periodically. When you say you tried changing the keep-alive settings, what exactly did you do? and which keep-alive mechanism are you using? (OPTIONS ping is usually a safe bet.)
Your phone is likely NAT'ed and the SIP proxy will want to keep the NAT open by sending a keep-alive; and your SIP UA will also be prompted to reregister periodically. When you say you tried changing the keep-alive settings, what exactly did you do? and which keep-alive mechanism are you using? (OPTIONS ping is usually a safe bet.)
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2012-12-21
, 05:01
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Posts: 359 |
Thanked: 162 times |
Joined on Jan 2011
@ Budapest
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#4
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Well it happens on the 3G connection as well, although the problem seems worse on the home router where indeed it is NATed.
I notice that the connection status in the status menu doesn't show a green circle like it does with google talk and skype connections, but a light brown or orange circle with clock hands inside. Could this have anything to do with it?
I notice that the connection status in the status menu doesn't show a green circle like it does with google talk and skype connections, but a light brown or orange circle with clock hands inside. Could this have anything to do with it?
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2012-12-21
, 05:04
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Posts: 359 |
Thanked: 162 times |
Joined on Jan 2011
@ Budapest
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#5
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PS. I had tried changing the keep-alive period (which can be between 1 minute and 1 hour) as it was not clear to me if this is the period during which the connection is kept alive, or the period of how often a keep-alive is sent, so I wanted to try both extremes (to no avail). The mechanism I had always kept as automatic, now I will try OPTIONS though.
Is there any reason to try a different voip provider, maybe one which tries to server mobile clients more actively?
Is there any reason to try a different voip provider, maybe one which tries to server mobile clients more actively?
Basically the device unregisters a little while after registering. This means that although I can still make outgoing SIP calls I can no longer receive SIP calls. It will register again if I make a SIP phone call, but then will unregister a short time later again. Basically this is as good as being useless, if I can't receive calls most of the time.
Does anyone know the solution to this? Maybe some sort of keep-alive script? I have tried changing the keep-alive settings, but it hasn't made a difference.