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--- routersthatshouldnotbeused [2022/06/01 19:04] – jim
+++ routersthatshouldnotbeused [2025/11/02 18:49] (current) – external edit 127.0.0.1
@@ Line 3: / Line 3: @@
 ====Routers That Should Not Be Used====
+**Most Cellular Modems and Modem routers will not work!!!!**\\
+For //**Business Class T-Mobile**// subscribers, we have confirmed that using an Inseego FX3100 router will allow service to work over Cellular.\\
+//T-Mobile's regular router that they give out WILL NOT work.//
+\\
+\\
+**Mesh Routers -** Mesh routers are great for lots of things, but VOIP is absolutely not one of them.  Mesh systems MUST be used in Access Point Mode with a traditional router or they will not work.
 **Comcast home version with wireless -** have them change to Comcast business version. The home version with wireless gets used by Comcast to also support their open Wi-Fi network (Hotspot) and this can lead to overutilization and voice quality issues. It is reported that it can be disabled, instructions are here [[http://bgr.com/2014/06/11/how-to-disable-comcast-xfinity-wi-fi-hotspot/]].    If this does not work then a call to Comcast customer service is needed.
+**Comcast CBR-T Modem Router -** This unit will not work out of the box and will not work as a DHCP router.  In order to use this device, Comcast must place the unit in IP Pass-through mode, and disable:\\
+(sp)(sp)(sp)1. Firewalls\\
+(sp)(sp)(sp)2. WiFi Antennas\\
+(sp)(sp)(sp)3. DHCP\\
 **Motorola SBG-650 -** (used by Time Warner). The problem with this one is that under high load, it starts buffering (or even freezing) packet output and it doesn't seem to be a way to set QOS to still allow RTP so it will end up with voice quality issues.