I don’t trust phones made by Kanye. Sent from my iPhone
> On Oct 22, 2021, at 2:26 PM, Nate Burke <[email protected]> wrote: > > Check what Codec's it's using too. I've run into some issues with letting > the phone/PBX choose a codec. Especially regarding packet size. Locking it > to PCMU cleared up the problems. The different phone models negotiated the > codecs differently, so different models would either have the problem, or > not. > >> On 10/22/2021 3:06 PM, TJ Trout wrote: >> I had the same issue with some grandstream wifi phones, switched to ethernet >> still the same, swapped to a different firmware still the same, swapped >> phones to a different model and all was cured, but not before wasting a ton >> of time troubleshooting the network >> >> On Fri, Oct 22, 2021 at 12:58 PM <[email protected]> wrote: >>> VoIP issues are almost always network issues. Like 99% of the time. >>> >>> It sounds like you’ve looked for a network issue, but if it’s at all >>> possible to look harder then look harder. >>> >>> >>> >>> From: AF <[email protected]> On Behalf Of [email protected] >>> Sent: Friday, October 22, 2021 10:39 AM >>> To: [email protected] >>> Subject: [AFMUG] Yealink Phones >>> >>> >>> >>> Good morning all, >>> >>> >>> >>> We have recently ran into major issues using Yealink phones, particularly >>> T54W and T57W. Calls are broken and dropping. We have determined the ISP >>> and internal networking is not the issue due to the fact that these issues >>> are not specific to one customer. Does anyone have experience these >>> products they would like to share the do’s and don’t’s with the Yealink >>> platform? We have been making small adjustment to the voice settings of the >>> hardware but are not having any luck. We are not showing any packet loss >>> between customer and cloud. We are using Unifi switches and Mikrotik RB2011 >>> firewall. We also head similar results using a SonicWALL. VOIP traffic is >>> all travels though the Mikrotik and LAN uses the Sonic wall. Quality >>> issues are becoming more and more frequent but are still very random. >>> Yealink support is looking into this but not moving fast enough. Thank you >>> in advance for any information you can share. I am open to any suggestions >>> at this point. If there is a better suited platform to ask this question >>> please let me know. I figured I would start with the smartest group of >>> people I know. >>> >>> >>> >>> Darrick Potter >>> >>> Structured Cabling and Security >>> >>> 517 797 3710 ext 110 >>> >>> [email protected] >>> >>> >>> >>> <mime-attachment.jpg> >>> >>> >>> >>> -- >>> AF mailing list >>> [email protected] >>> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >> >> > > -- > AF mailing list > [email protected] > http://af.afmug.com/mailman/listinfo/af_af.afmug.com
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