@sky91 Thanks for your reply. You mentioned that you connect the VOIP phone to the LAN 4 port of Archer A9 via RJ11 cable( telephone line), while the Archer A9 is a regular wireless router, does not...

@Roy22 Definitely sure, please take your time to do that, any updates, please let us know. For the feature you mentioned, we have noted that. And we will keep collecting feedback from our customers...

@Cid-Itad The Deco M5 1.3.1 adds the web UI feature, mainly used to update the firmware and make it more convenient and much easier. For more information, you can refer to :...

@chim57 Thanks for your effort to do the troubleshooting on the TL-MR6400. While cause the issue still presistent, you can try to install the beta firmware to give it a go and test whether it works...

@MikeYYY Thanks fo ryour reply, glad to hear that it works well now. You can take more time to test its performance. Any further problem, do not hesitate to contact us. Good day.

@titiinorbita The Deco series can build up a mesh wifi system, click instruction below to get more information. https://www.tp-link.com/support/faq/2248/ May it help and have a nice day.