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pgudge at gmail.com
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 Posted: Fri May 16, 2008 12:48 pm Post subject: [asterisk-users] trixbox, sangoma a200, dell poweredge 2550 |
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Hi all,
I have setup a Dell PowerEdge 2550 with a Sangoma A200 card with 2xFSO and
1XFS modules.
The PowerEdge specs are 1 x P3 1133MHz, 512MB RAM.
Sangoma A200 has 3 analogue PSTN lines connected.
This server is based in Office 1, with 5 users all with a Linksys SPA942
VoIP Handset.
There is another Office (Office 2) connected to here using VPN. There are
two users in Office 2 with the Linksys SPA942 VoIP Handsets, they are
connected also over VPN to the remote Trixbox.
When placing calls from either Office 1 or Office 2 calls are fine, there is
echo to start with (Echo training) but then it clears. Volume is ok, quality
is ok.
However when an incoming call is made to the office the quality is pretty
bad, crackles, low volume.
There has also been mention (In office 1) of some cross talk.
The Trixbox is plugged into the master switch in the server room, where the
various production servers are running, and all workstations are also
connected directly to the switch.
Is there any reason why I should be experiencing such bad line quality on
inbound calls from PSTN? Call quality is perfect when plugging in a regular
analogue phone. I am in the process of having all the VoIP handsets in
Office 1 connected directly to its own switch, and then connected to the
Trixbox directly to avoid server/workstation bandwidth issues, but I don't
think would solve the quality issues. Is the PowerEdge powerful enough to
handle the VoIP traffic. I am really at an end with this, and really need to
find a solution.
Any help, advice or pointers would be greatly welcomed.
Thanks,
PaulG.
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steven.kurylo at aviaw...
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| Posted: Fri May 16, 2008 5:06 pm Post subject: [asterisk-users] trixbox, sangoma a200, dell poweredge 2550 |
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| Quote: | Is there any reason why I should be experiencing such bad line quality
on inbound calls from PSTN? Call quality is perfect when plugging in a
regular analogue phone.
|
So outgoing PTSN calls are fine but incoming PTSN calls have poor
quality. Do both parties hear the crackling, etc? Can you reproduce
this, ie if you use your cell to call in, does the problem occur every
time? What happens if you call your PTSN number from your handsets?
Does the call go out onto the PTSN and come back in with poor quality?
Do you have other phone lines you can try the A200 with? Have you asked
Sangoma support? |
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pgudge at gmail.com
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| Posted: Tue May 20, 2008 4:21 am Post subject: [asterisk-users] trixbox, sangoma a200, dell poweredge 2550 |
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Thanks, Steven.
| Quote: | Do both parties hear the crackling, etc?
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No, just the users in the Office, and its like a background crackle that
happens with voice and silence.
This happens all the time, every call.
Called the Office number from VoIP phone to VoIP phone and the quality is
terrible.
Don't have any other lines to test in the office.
Not contacted Sangoma yet. Thought I would take a look round here first
Thanks, PaulG.
On Fri, May 16, 2008 at 11:06 PM, Steven Kurylo <steven.kurylo at aviawest.com>
wrote:
| Quote: | | Quote: | Is there any reason why I should be experiencing such bad line quality
on inbound calls from PSTN? Call quality is perfect when plugging in a
regular analogue phone.
|
So outgoing PTSN calls are fine but incoming PTSN calls have poor
quality. Do both parties hear the crackling, etc? Can you reproduce
this, ie if you use your cell to call in, does the problem occur every
time? What happens if you call your PTSN number from your handsets?
Does the call go out onto the PTSN and come back in with poor quality?
Do you have other phone lines you can try the A200 with? Have you asked
Sangoma support?
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stotaro at totarotechn...
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| Posted: Tue May 20, 2008 8:18 am Post subject: [asterisk-users] trixbox, sangoma a200, dell poweredge 2550 |
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Do you have a spare machine you can try instead of the Dell? Even a
workstation?
Thanks,
Steve Totaro
On Tue, May 20, 2008 at 5:21 AM, Paul Goodyear <pgudge at gmail.com> wrote:
| Quote: | Thanks, Steven.
| Quote: | Do both parties hear the crackling, etc?
|
No, just the users in the Office, and its like a background crackle that
happens with voice and silence.
This happens all the time, every call.
Called the Office number from VoIP phone to VoIP phone and the quality is
terrible.
Don't have any other lines to test in the office.
Not contacted Sangoma yet. Thought I would take a look round here first
Thanks, PaulG.
On Fri, May 16, 2008 at 11:06 PM, Steven Kurylo <steven.kurylo at aviawest.com>
wrote:
| Quote: |
| Quote: | Is there any reason why I should be experiencing such bad line quality
on inbound calls from PSTN? Call quality is perfect when plugging in a
regular analogue phone.
|
So outgoing PTSN calls are fine but incoming PTSN calls have poor
quality. Do both parties hear the crackling, etc? Can you reproduce
this, ie if you use your cell to call in, does the problem occur every
time? What happens if you call your PTSN number from your handsets?
Does the call go out onto the PTSN and come back in with poor quality?
Do you have other phone lines you can try the A200 with? Have you asked
Sangoma support?
_______________________________________________
-- Bandwidth and Colocation Provided by http://www.api-digital.com --
asterisk-users mailing list
To UNSUBSCRIBE or update options visit:
http://lists.digium.com/mailman/listinfo/asterisk-users
|
_______________________________________________
-- Bandwidth and Colocation Provided by http://www.api-digital.com --
asterisk-users mailing list
To UNSUBSCRIBE or update options visit:
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