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ASUS RT-AX86U Pro and Ooma issue

dmako

Occasional Visitor
Been using my Ooma VOIP phone (on WiFi) without issues for years. Recently switched out my TP-Link router for an ASUS RT-AX86U Pro and notice now that on a phone call while I hear people just fine. People hear words dropped, like say every 5-6 word. I tried turning off the firewall and custom QOS which I had prioritizing video and audio streaming, yet spoken words are still dropped.

Anyone run into this with a fix?
 
Been using my Ooma VOIP phone (on WiFi) without issues for years. Recently switched out my TP-Link router for an ASUS RT-AX86U Pro and notice now that on a phone call while I hear people just fine. People hear words dropped, like say every 5-6 word. I tried turning off the firewall and custom QOS which I had prioritizing video and audio streaming, yet spoken words are still dropped.

Anyone run into this with a fix?
What you can try is dumbing down the WiFi settings on the ASUS so as best as possible duplicate the WiFi settings on your TP-Link. Search this site and look at what is recommended for getting reliable connections with IoT devices. Do turn your firewall back on as in this day and age no firewall is likely to get your network hacked.
 
Been using my Ooma VOIP phone (on WiFi) without issues for years. Recently switched out my TP-Link router for an ASUS RT-AX86U Pro and notice now that on a phone call while I hear people just fine. People hear words dropped, like say every 5-6 word. I tried turning off the firewall and custom QOS which I had prioritizing video and audio streaming, yet spoken words are still dropped.
What firmware are you running on the RT-AX86U Pro?
Check the WAN > NAT Passthrough page. Its possible you may need to adjust some of the settings there. In particular the RTSP Passthrough, H.323 Passthrough and SIP Passthrough settings may need to be enabled.

Edit to add: Do not turn off the firewall. That is what protects both the router and your local network.
 
Yes firewall back on. Would hard wiring the Ooma help in determining if it's a wifi issue vs system wise setting?
Firmware, stock: 3.0.0.6.102_34336
 
Last edited:
What firmware are you running on the RT-AX86U Pro?
Check the WAN > NAT Passthrough page. Its possible you may need to adjust some of the settings there. In particular the RTSP Passthrough, H.323 Passthrough and SIP Passthrough settings may need to be enabled.

Edit to add: Do not turn off the firewall. That is what protects both the router and your local network.
All of these are enabled with the exception of PPPoE which is disabled.
 
Using QOS depends upon your WAN connection. High bandwidth FIOS or cable generally does not need QOS enabled. DSL or VDSL may need QOS with manual settings at 90 to 95% of tested bandwidth (also incorrectly called speed).
As for the other router settings, I would use the Dual Band SmartConnect to start with 2.4 GHz set to 20 MHz on a fixed channel. The 5 GHz I would set to 80 MHz on a fixed non-DFS channel. Asus defaults use DFS channels and 20, 40, 80, 160 MHz. The 80 MHz will give you a bit better range. I would not mess with other settings.
 
Been using my Ooma VOIP phone (on WiFi) without issues for years. Recently switched out my TP-Link router for an ASUS RT-AX86U Pro and notice now that on a phone call while I hear people just fine. People hear words dropped, like say every 5-6 word. I tried turning off the firewall and custom QOS which I had prioritizing video and audio streaming, yet spoken words are still dropped.

Anyone run into this with a fix?
Stop using WiFi, Ethernet connection(Wired). I have the same setup with zero problems but only using wired connections. I'm guessing you are having data collision on the WiFi, maybe someone here knows more than I do in that department.. but definitely go wired for IP phones of any sort.
 
but definitely go wired for IP phones of any sort.

Wireless calling works fine here with all sorts of mobile devices and calling protocols.

OE

Been using my Ooma VOIP phone (on WiFi) without issues for years. Recently switched out my TP-Link router for an ASUS RT-AX86U Pro and notice now that on a phone call while I hear people just fine. People hear words dropped, like say every 5-6 word. I tried turning off the firewall and custom QOS which I had prioritizing video and audio streaming, yet spoken words are still dropped.

Anyone run into this with a fix?

Try not using any QoS settings and disable router WAN\SIP Passthrough.

OE
 
Would hard wiring the Ooma help in determining if it's a wifi issue vs system wise setting?
You should try that as a troubleshooting step to see if the issue persists. If it doesn't then stick with the wired Ethernet connection.
Like pretty much everyone indicated, disable QoS and see if that improves things.
Since you are using the 3.0.0.6.102_x firmware, did you put the Ooma wifi on the Guest Network Pro? Or on the normal WiFi? The 3.0.0.6.102_x firmware is wonky from time to time on my RT-AX86U Pro.
 
You should try that as a troubleshooting step to see if the issue persists. If it doesn't then stick with the wired Ethernet connection.
Like pretty much everyone indicated, disable QoS and see if that improves things.
Since you are using the 3.0.0.6.102_x firmware, did you put the Ooma wifi on the Guest Network Pro? Or on the normal WiFi? The 3.0.0.6.102_x firmware is wonky from time to time on my RT-AX86U Pro.
It is on the normal WiFi network.
 
It is on the normal WiFi network.
Probably a long shot. If you haven't done so already, check the router system log when the issue happens to see if maybe something is being indicated in the logs. Like a quick disconnect and reconnect of the Oooma or something else happening around the same time.
 
It is on the normal WiFi network.
Are you using a DNS privacy protocol such as DNS over TLS? If yes you may need to disable it at least for the Ooma devices.
 
Quick update for this morning.
Tried individually:
QoS off - no change
WAN SIP passthrough off - no change
Wireless Channel bandwidth 20/40 to 20 - no change
Channel auto (6) to 1 - no change
Its odd as I can hear without breaking up of audio, just me speaking the listener hears like every 4-5 word dropped.

Okay using a long Ethernet cable to try hard wiring it appears to be working fine. So it has something to do with the WiFi on this ASUS router vs my old TP-Link.
 
Last edited:
Quick update for this morning.
Tried individually:
QoS off - no change
WAN SIP passthrough off - no change
Wireless Channel bandwidth 20/40 to 20 - no change
Channel auto (6) to 1 - no change
Its odd as I can hear without breaking up of audio, just me speaking the listener hears like every 4-5 word dropped.

Okay using a long Ethernet cable to try hard wiring it appears to be working fine. So it has something to do with the WiFi on this ASUS router vs my old TP-Link.
Try to match up the settings from the TP-Link to the ASUS

Look at the following settings under professional for 2.4 Ghz radio.


Modulation Scheme - experiment various options
Airtime Fairness - Disable
Multi User MIMO - Disable
OFDMA - (May need to disable)
Explicit Beamforming - Disable
Universal Beamforming - Disable
 
Try to match up the settings from the TP-Link to the ASUS

Look at the following settings under professional for 2.4 Ghz radio.


Modulation Scheme - experiment various options
Airtime Fairness - Disable
Multi User MIMO - Disable
OFDMA - (May need to disable)
Explicit Beamforming - Disable
Universal Beamforming - Disable
I guess my question is will I cripple the functionality that hopefully my new ASUS router offered just for fixing the Ooma? I think for now I may just go the wired route which is a pain due to distance of router and the Ooma which I do not want to move so some new holes to the basement.
 
I guess my question is will I cripple the functionality that hopefully my new ASUS router offered just for fixing the Ooma? I think for now I may just go the wired route which is a pain due to distance of router and the Ooma which I do not want to move so some new holes to the basement.
If all your higher performance devices connect on the 5Ghz radio then changing the settings on the 2.4 Ghz radio should have little or no effect on them. Only way to find out is see what happens if you change settings. In my case eliminating/disabling features on the 2.4 Ghz radio had no impact noticeable to me. Iphones and Ipad get 400- 600 Mbps on 5 Ghz. PCs and TIVO use Ethernet connections and IoT devices connect to 2.4 Ghz radios guest network 1 & 3 with most features turned off.
 
Well I threw in the towel for now since there are so many settings one could try to solve this issue. I ran some wire and connected it to my router and all appears fine now.
Thanks for the help one and all.
 
Wired connections will always be more stable with less problems than wireless. That said wireless is definitely more convenient isn't it. I would say its worth the effort, especially for IE; phones or servers of any sort. Glad you worked it out!
 

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