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51 posts

Master Geek


Topic # 42791 10-Oct-2009 20:46
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I installed a 2Talk phone (thru a SPA 2102 to a phone) in the rural backblocks of Dargaville, (where??) Ubernets**  speed is around 1.5 megs both ways but the phone drops out on a regular bases. Very frustrating for the people I installed the system to. Sometimes the incoming drops off, other times the outgoing goes dead.

The setup is >> UBernet box>> to 4port switch >> to SPA 2102 and Computer. SPA setup as per 2Talk. Codec I’m using is G729ab

Would I get any better results if I go >>Ubernet box >> SPA2102 >> Computer?


Any ideas on how to fix this problem?

 

** Ubernetworks .. Using superior wireless technology we are connecting homes, farms and businesses throughout Northland.

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713 posts

Ultimate Geek
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  Reply # 263211 11-Oct-2009 01:50
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Wireless is not good for voip at all and that low speed. Plus do u have the logs of what it Does on the systems. That may help too




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  Reply # 263226 11-Oct-2009 08:34
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cws82us: Wireless is not good for voip at all and that low speed. Plus do u have the logs of what it Does on the systems. That may help too


VoIP can work perfectly over wireless. 1.5mbps in both directions is also plenty for a single VoIP call. Infact it's enough to comfortably support close a dozen simultaneous calls using G.729 providing the speed is constant.


 
 
 
 


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  Reply # 263227 11-Oct-2009 08:37
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It's hard to really know what the issue could be without knowing more information.

What exactly is the Ubernet box? Are you on static or dynamic IP's? Do you have any port forwarding to the SPA2102? Are the speeds constant? Is there any packet loss occuring on the wireless link?

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  Reply # 263270 11-Oct-2009 13:40
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cws82us: Wireless is not good for voip at all and that low speed.


Typically wireless isn't the best, but, it depends on the latency of such a connection.  Low latency = perfect for VoIP.







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Master Geek


  Reply # 263294 11-Oct-2009 17:58
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What exactly is the Ubernet box? Its their antenna and electrics, in the house is a POE box to which you plug in your computer and there power supply.

Are you on static or dynamic IP's? Static

Do you have any port forwarding to the SPA2102? No

Are the speeds constant? It was when I did the test over a 3 week period 3 months ago using http://www.whichvoip.com/voip/speed_test/ppspeed.html
Always had 5 green lights eg Jitter good, Packet loss 0%, download and upload speeds good. QOS 90%

Is there any packet loss occuring on the wireless link? ?

:o(


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Geek


  Reply # 263296 11-Oct-2009 18:06
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  Reply # 263414 12-Oct-2009 09:25
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Wireless is fine for VoIP. Just because a connection is wireless doesn't mean it has high latency.




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  Reply # 263429 12-Oct-2009 10:07
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JimBrack:Would I get any better results if I go >>Ubernet box >> SPA2102 >> Computer?


Try it this way, if it is an issue on your local network, this will help prioritise the traffic.




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I install - Naked DSL, DSL Master Splitters, VoIP, data cabling and general computer support for home and small business.
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Ultimate Geek
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  Reply # 263579 12-Oct-2009 21:32
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Hi Jim, I may be able to help you
I have 2talk running on Ubernet wireless broadband and it works well.
In fact Ubernet wireless broadband is perfect for VOIP as it is a synchronous connection with speeds
from 2Mbps to 5Mbps and latency comparable to normal ADSL broadband (just for those doubters of wireless)
It sounds like you are dropping RTP packets for whatever reason.
I live in Dargaville so probably can help you set it up properly.
I am also a 2talk agent and setup 2talk alot, so no problem there.
I can email you if you want, and we can talk.






Now on 2talk Network and it's better.





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Master Geek


  Reply # 263583 12-Oct-2009 21:42
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techmeister Sounds like a good idea


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Ultimate Geek
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  Reply # 263585 12-Oct-2009 21:47
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I got your phone number
I'll give you a ring tomorrow.




Now on 2talk Network and it's better.





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Master Geek


  Reply # 272176 11-Nov-2009 22:24
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This problem was solved (NOT) the client went back to Telecom
For an all up fee of around $100 ( $60 for Ubernet $40 for 2Talk) per month they averaged around 45 hrs talk time per month, that’s a lot of gossiping (I now know what farmers wife’s do during the day) Their Telecom bill will be mega bucks as the two lines will cost $100.00 just for line rental. I’d hate to see their first phone bill!  Plus they will be still paying $60.00 for Ubernet.  Oh well S happens.  I am sure with a bit more time, another week, we could have solved the issue


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