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Standard User Pheasant
(committed) Tue 26-Jan-21 12:37:45
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Re: What does this request from my VoIP Supplier mean?


[re: Ancient_Mariner] [link to this post]
 
One way audio issues, especially intermittent can be tricky to diagnose.

It’s typically your router / firewall and/or the ISP that can cause issues with the real time audio stream (RTP) packets getting blocked or messed up.

I’m not sure about your ATA but on some Cisco phones, like my 9971’s you can log into via their web portal and check the inbound and outbound RTP stats whilst a call is in progress. This will give you some confidence that this could be the issue.

My Broadband Speed Test
Standard User Ancient_Mariner
(eat-sleep-adslguide) Wed 03-Mar-21 23:09:13
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Re: What does this request from my VoIP Supplier mean?


[re: Pheasant] [link to this post]
 
It looks as if the problem was caused by the Cisco SPA112. I changed to a Cisco ATA191 a month ago and has been OK ever since.

Cheers!

Clive

Andrews & Arnold Home::1 FTTC DrayTek Vigor 2762ac Cisco SPA112 and HUAWEI E5776 with O2 Data SIM
Standard User Pheasant
(experienced) Thu 04-Mar-21 13:17:05
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Re: What does this request from my VoIP Supplier mean?


[re: Ancient_Mariner] [link to this post]
 
In reply to a post by Ancient_Mariner:
It looks as if the problem was caused by the Cisco SPA112. I changed to a Cisco ATA191 a month ago and has been OK ever since.

Cheers!

Glad you got to the bottom of it. Sometimes a hardware swap is the only way!

My Broadband Speed Test


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