WiFi calling dropping out frequently

[chilak]

I've got an Xfinity dual band modem/router model TG02DCW3482P2CT and am experiencing WiFi calling dropouts on an intermittent basis.

Details:

Phone is in airplane mode (this shuts off cellular)

There are no pods or mesh network attached to my home wifi network

The dropouts occur whether the phone is one foot away from the modem or at the opposite end of the house from the modem

The dropouts occur on multiple iPhones

A couple of debugging patterns I detected:

1) WiFi calls were dropping between 3 and 9 minutes over six calls.  I then power cycled the modem and the next call sustained for 65 minutes

2) One call dropped due to a Wifi calling dropout at precisely midnight (this does not seem like a coincidence to me)

The Comcast rep suggested I create separate networks for 2.4 and 5.0 (rather than leave them on the same network) and force the phones onto one network or the other.  But I don't see a way to do that using the XFI app or using the equivalent web based version.

[EG]

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@chilak wrote:

The Comcast rep suggested I create separate networks for 2.4 and 5.0 (rather than leave them on the same network) and force the phones onto one network or the other.  But I don't see a way to do that using the XFI app or using the equivalent web based version.

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Does this apply ?;

https://www.xfinity.com/support/articles/change-wifi-mode-admin-tool-xfinity-xfi

[jlavaseur]

I would try to turn off airplane mode, on a IPhone it shuts off WiFi, tho you can manually enable it, if you want to turn off cellular data there is a option for that

When you enable airplane mode you disable your phone's ability to connect to cellular or WiFi networks or to Bluetooth. This means you can't make or receive calls, send texts, or browse the internet.

You can still use your phone, however: you can take photos, listen to music, play games, or compose emails/messages to send later. Basically anything that doesn't require a signal or internet.

[chilak]

I have since partitioned it into two networks - 2.4 and 5.0 - but the dropped wifi calls occur on both networks.

[chilak]

[quote]

When you enable airplane mode you disable your phone's ability to connect to cellular or WiFi networks or to Bluetooth. This means you can't make or receive calls, send texts, or browse the internet.[/quote]

That's not the case with my phone.