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25 posts

Geek


Topic # 110475 9-Oct-2012 22:43 Send private message

I have a 3G21WZ router (3G) which I've got an IPECS phone on 2talk plugged into. The issue is that after a certain period of time, less than 24 hours, the connection seems to time out somehow, I can make outgoing calls but not receive incoming, they go straight to voicemail. I've searched and it seems to be a fairly common problem, but I'm having trouble fixing it! Is it port triggering that I need, and if so how do I set it up, the below is my attempt so far. Otherwise is it port forwarding, and if so what settings do I need for that? Thanks for any light you can shed.


Application NameTriggerOpenWAN InterfaceRemoveProtocolPort RangeProtocolPortRangeStartEndStartEnd
2tallk2TCP/UDP5060050601TCP/UDP5060050601usb0
2talkTCP/UDP50605061TCP/UDP50605061usb0


edited mod:RC - fixed some formatting that broke the page.

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Uber Geek
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  Reply # 698829 10-Oct-2012 06:39 Send private message

A lot more information is required before anybody can help you.

For a start who's the provider and what APN are you using?


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Master Geek


  Reply # 699118 10-Oct-2012 14:38 Send private message

Are you using upnp ? what type of NAT does your router support ? if using 2talk does your line show as online or offline ?

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  Reply # 699323 10-Oct-2012 20:48 Send private message

You may just need to wind down the registration expiry time on your IP Phone.. I've come across a few which have outrageously high defaults..



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Geek


  Reply # 699388 10-Oct-2012 22:33 Send private message

Registration timer: 600 seconds
Desired lease time: (sec) 691200
Provider: 2talk via 3G modem, Telecom
uPnP is enabled on router
Router says it supports NAT port forwarding, port triggering and DMZ host
Phone shows as online and can make outward calls

Any help would be very much appreciated. Have heard nothing from 2talk support.

Port triggering options on router:
Application Name    Protocol Port range start/finish (Trigger and Open)

2tallk2                  TCP/UDP     50600   50601     TCP/UDP     50600    50601      usb0
2talk                    TCP/UDP       5060     5061     TCP/UDP       5060     5061       usb0

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  Reply # 699398 10-Oct-2012 22:51 Send private message

Have you set the STUN server settings?




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Geek


  Reply # 699400 10-Oct-2012 22:58 Send private message

No I haven't set STUN server because I googled it and was confused about whether I needed it or not?




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Geek


  Reply # 699402 10-Oct-2012 23:01 Send private message

Oh and I tried static IP but that hasn't made any difference, it's still on that though.

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  Reply # 699425 10-Oct-2012 23:36 Send private message

Ahh.. what Telecom 3G APN are you using?
If using internet.telecom.co.nz, the router won't be able to do port forwarding or triggering as unsolicited internet traffic is all firewalled.
direct.telecom.co.nz would let you do port forwarding.

However, as Don said, STUN might help you out and should work on either APN.



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Geek


  Reply # 699428 11-Oct-2012 00:04 Send private message

OK thanks for that, have enabled stun and changed the APN so fingers crossed. Cheers for your suggestions.

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  Reply # 699434 11-Oct-2012 06:46 Send private message

STUN only allows a device to auto automatically establish the public IP and type of NAT firewall in use. It won't necessarily overcome APN limitations restricting uninitiated inbound traffic.

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  Reply # 699442 11-Oct-2012 07:19 Send private message

sbiddle: STUN only allows a device to auto automatically establish the public IP and type of NAT firewall in use. It won't necessarily overcome APN limitations restricting uninitiated inbound traffic.


Ah yes of course.. I was thinking the APN was doing NAT as its firewall, meaning OP would have been double NATed (which STUN may or may not have been able to help with) but realise the standard internet APN is just firewalled not NAT.



Fingers crossed it should keep working this time though having changed that APN :)

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  Reply # 699462 11-Oct-2012 08:19 Send private message

Only problem now is some funky stuff what was going on with the XT network that caused VoIP issues. Upon call setup packets were being lost which caused SIP timers to drop calls. I have no idea if it's been resolved at all.

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  Reply # 699496 11-Oct-2012 09:37 Send private message

sbiddle: Only problem now is some funky stuff what was going on with the XT network that caused VoIP issues. Upon call setup packets were being lost which caused SIP timers to drop calls. I have no idea if it's been resolved at all.


Nope it has not ..no incentive for them to fix it either you will imagine Cry




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Geek


  Reply # 700155 12-Oct-2012 12:26 Send private message

Well it's been going for 24 hours, so here's hoping. The APN may have been the key. Many thanks for your input, much appreciated.

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