DUO has "red" light, doesn't work
What does a "red" light mean? A "red" light on your DUO means your DUO got disconnected from our system. The DUO will not receive incoming calls or make outgoing calls. The disconnection is usually caused by the settings on your router/modem. Solution 1: Reboot your DUO "Reset" your DUO by dialing *61 from your handset connected to the DUO Dial *61 from your handset connected to the DUO, and wait for the DUO to reboot. You will see DUO lights blink red while it reboots for abouPopularIdeal Router Settings
It is always a good to step reboot your router to see if the DUO gets a good connection again. Also, you can always reboot your DUO by dialing *61 as well. If this does not solve the issue, you can optimize these settings in your router's webpage: IP Reservation Port Forwarding DMZ Please log in to your routers admin webpage and look for these standard settings: IP Reservation: Check if the DUO IP is reserved in your router Please dial *41 from your phone connected toPopularAdvanced Troubleshooting - Incoming Call issues
Are you having issues with only your incoming calls? In order to determine if your issue might be related to your local network or your phone number it is important to notice what's the color of the LED light on the DUO at the time the issue occurs. If the DUO is flashing green and switching to red, or the DUO is only displaying a red light then the DUO is likely unable to communicate with our servers due to a local network restriction. For the best router settings to avoid this issue please sPopularHow to Factory Reset ezLINQ if device is not making/receiving calls: (Advanced User Guide)
If you are unable make/receive calls with your ezLINQ device it might be that the device is unable to connect to our servers. Step 1 - Connections Before you begin, take a note of the IP Address, Username & Password located at the bottom of your ezLINQ device, you will need this for future steps. To check if your device is registered on our network you can login to your ezLINQ device using thSome readersDUO going offline?
Reboot DUO Daily? If it is frequent, I recommend optimizing your router settings. Can you check these 3 things in your router: A. Check if the DUO IP is reserved in your router Please dial *41 from your phone connected to the DUO, to get the DUO IP address. B. Enable port forwarding on your router for your DUO IP One of these are the ports you can use for port forwarding: Internal & External Port 5085 TCP/UDP Please note: some routers may only let you open one port per device IP,Some readersPopular routers working well with the NT Connect devices:
Linksys: E1000/1200/2000/3000/4200, WRT120N , WRT54G, WRT160N, WRT320N - When voice quality issues are present, DUO should be on DMZ with QoS on those routers Wire: Uverse 3800hgv-b, 2701HG-b - When voice quality issues are present, a UDP application has to be defined on the router for the DUO under the Firewall, and in Advanced settings, disable UDP restrictions. Dlink: DIR-615, DIR-655, DIR-524 - When voice quality issues are present, DUO should be on the DMZ option of the router 4Few readersRecommend Router Settings for Various Router Brands/Models
Belkin: F5D8233, F5D7230 and most of the models DUO should be configured on DMZ in your router Port Forwarding recommend UDP Ports 12000-12001 On your router it is required to add the DHCP for DNS1 as 4.2.2.2 and DNS2 as 4.2.2.1 Westell: A90-750015-07 from Verizon DUO should be configured on DMZ in your router On your router it is required to add the DHCP for DNS1 as 4.2.2.2 and DNS2 as 4.2.2.1 Ambit: Cable Modem Gateway (Modem/Router - Blocks Sip Access) DUO should be configured on DFew readersOptimal Fax Settings
While all NT Connect models are "fax friendly" they are not guaranteed to be compatible. Depending on the fax machine that you have you may need to do some changes to certain settings before you can go about using it. To set your fax machine to work over this particular voip service, we would recommend that you try doing the following setting changes.Few readersDUO IP address from your router
Modern implementations of DHCP will try and handout the same IP to the same MAC (unless the device hasn't been powered on for a while). Also, there is an expiration that the DHCP server sets where the device will try and renew the IP address. That is how the server knows to cache the IP for the MAC. You may have a way to permanently assign an IP to a MAC in your router. But, not necessary.Few readersBuzzing, static and interference:
Buzzing, static and interference: If you have a DSL line, oftentimes a DSL filter instantly solves any interference on your line. VoIP static, interference and buzzing is usually associated with the introduction of a signal or voltage into the VoIP connection that is then converted into an annoying sound. In many cases the problem exists within the devices that are connected to the ATA (i.e. DUO). In some cases a hum or noise may be coming from an IP phone. Cordless phones can be susceptibleFew readersGoogle Fiber Router
Google Fiber Router Settings First step is to get to the router page in the GFRG100 router to tweak some settings, then follow these steps: Step 1: https://support.google.com/fiber/answer/4584197?hl=en Step 2: dial *41 from your phone connected to the DUO and write down the IP address you hear. Step 3: Go to the router setting page and click on the DUO that is listed on the left under "Devices" (it may use the IP address as the name) Step 4: Click on Advanced Settings for the DUO device SFew readersDUO's Static/echo/electromagnetic Interference
If you are getting Static/echo/electromagnetic interference on your line Please try these simple steps to check. 1.Hold your hand over the mouthpiece.If the echo subsides then turn down the volume of the phone. Move your DUO away from other electrical devices. Remove any splitters or separate caller ID devices between your DUO and the phone. In many cases this can cause echo that you hear on your end. Try using another phone cord, as some phone cables can be of poor quality.Few readersVOIP Echo
How to correct VoIP echo: The number one cause of echo is from voice traveling out from the earpiece or speaker back into the mouthpiece or what is referred to as acoustic echo. Turning down the volume of the phone can greatly reduce this cause for echo. Another cause of echo is electromagnetic interference. This can be the result of positioning the IAD (your VoIP device) VoIP voice quality issues can in many cases be corrected by a folloing VoIP Mechanic's tutorials too close to other eFew readersCall Quality
1. VoIP Speed Test Note, VoIP speed is not the only factor that is important. Internet quality is a very important factor for good call quality. This test will provide you with stats that focus on VoIP quality that is currently present when the test is initiated. As we all know, internet service provider internet stability can vary at different times throughout the day. https://www.voipreview.org/speedtest 2. The Internet Health Test The Internet Health Test checks your conneFew readers