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Forums › VoIP › Linksys ATA on 2Talk (via Spark UFB) - outgoing calls Hissy
davidcole

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#197963 20-Jun-2016 11:18
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So I had this ATA for a while, it's an ex @sbiddle one.

 

Incoming calls are fine, clear and a good volume.  But outgoing calls seem to be quieter with a bit of a hiss.   Is this possible?  are outgoing and incoming calls treated differently?

 

What would I look at (what can I post here for helping diagnose)?

 

 

 

 




Previously known as psycik

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ubergeeknz
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  #1577000 20-Jun-2016 11:39
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Codec choice is probably a factor, check your preferred codecs.  I'd set G.722 as the first one, followed by G.711A and then G.711U before G.729

 

See how that goes.  Many endpoints and gateways will use the first mutually supported codec listed in the request.

davidcole

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  #1577004 20-Jun-2016 11:44
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Ok.  It's currently set to G729a.  Not sure how I tell it an order or preference.  I'll set it to G.711A as there is no G722 on this one.

 

 




Previously known as psycik

OpenHAB: Gigabyte AMD A8 Brix, OpenHAB with Aeotech ZWave Controller, Raspberry PI, Wemos D1 Mini, Zwave, Xiaomi Humidity and Temperature sensors and Bluetooth LE Sensors
Media:Chromecast v2, ATV4, Roku3, HDHomeRun Dual
Windows 10 Host (Plex Server/Crashplan): 2x2TB, 2x3TB, 1x4TB using DriveBender, Samsung 850 evo 512 GB SSD, Hyper-V Server with 1xW10, 1xW2k8, 2xUbuntu 16.04 LTS, Crashplan, NextPVR channel for Plex,NextPVR Metadata Agent and Scanner for Plex

 
 
 
 


sbiddle
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  #1577006 20-Jun-2016 11:47
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G.722 will never work as it's an ATA so can never work (analogue phones aren't wideband).

 

You should just be using G.711a or G.711u, G729 is a low bitrate compressed codec and sounds terrible. My pick would be different codecs being used for inbound and outbound.

 

 

 

 

ubergeeknz
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  #1577033 20-Jun-2016 12:04
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sbiddle:

 

G.722 will never work as it's an ATA so can never work (analogue phones aren't wideband).

 

 

 

 

I can tell the difference, of course it's not as good as a phone designed for hi def, but the audio circuits and transducers in phones are much better than they were when the 8x8 digital standards were decided upon... G.711A is a perfectly good choice though, certainly better than G.729 (mind you, anything is)

davidcole

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  #1580237 25-Jun-2016 17:37
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Btw changed from g729 to 711a. Not noting any difference. Still seems quiet and a little hissy fit outgoing, nice and clear for incoming.




Previously known as psycik

OpenHAB: Gigabyte AMD A8 Brix, OpenHAB with Aeotech ZWave Controller, Raspberry PI, Wemos D1 Mini, Zwave, Xiaomi Humidity and Temperature sensors and Bluetooth LE Sensors
Media:Chromecast v2, ATV4, Roku3, HDHomeRun Dual
Windows 10 Host (Plex Server/Crashplan): 2x2TB, 2x3TB, 1x4TB using DriveBender, Samsung 850 evo 512 GB SSD, Hyper-V Server with 1xW10, 1xW2k8, 2xUbuntu 16.04 LTS, Crashplan, NextPVR channel for Plex,NextPVR Metadata Agent and Scanner for Plex

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