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Knowledgebase : Devices
KNOWN ISSUES 1. SIP ALG will cause problems if it's enabled, but it can be disabled on at least one of the firmware versions. 2. MTU is set to Auto by default, which can set it to 576, which is too low. This will cause intermittent phone feature failu...
YOU CAN VERIFY IF YOUR ROUTER IS SIP ALG ENABLED BY DOWNLOADING AND RUNNING OUR SIP ALG TESTER PROGRAM SIP ALG Tester [https://vantact.com/downloads/SIP-ALG-Tester.exe] Download STEP 1: CREATE A “STATIC NAT (SNAT)” First, the Static NAT must be conf...
You can verify if your router is SIP ALG ENABLED by downloading and running our SIP ALG TESTER Program SIP ALG Tester Download [https://vantact.com/downloads/SIP-ALG-Tester.exe] SIP ALG is located in (via the web interface): Go to Advanced Settings ...
SIP ALG EXPLAINED - TECHNICAL Many of today's commercial routers implement SIP ALG (Application-level gateway), this feature is almost always enabled by default. Many of the brand such as Cisco, Netgear, D-Link, Mikrotik... While ALG could help in solvi...
YOU CAN VERIFY IF YOUR ROUTER IS SIP ALG ENABLED BY DOWNLOADING AND RUNNING OUR SIP ALG TESTER PROGRAM SIP ALG Tester Download [https://vantact.com/downloads/SIP-ALG-Tester.exe] ASUS ROUTERS Disable the option SIP Passthrough under Advanced Settings...
In order to factory reset a Snom 300 or 320 via the phone interface, go through the following steps below: Press "Navigation" down to enter the "Settings" or the wrench icon menu. Scroll down to "Configuration". Press "Confirm" button. Scroll down...
If you need to reset your phone to factory settings, please follow this procedure: * Press "Settings" [Screw driver] button to enter the "Settings" menu. * Scroll down to "Configuration". * Press "Confirm" button. * Scroll down to "Reset". * P...
The issue when a phone is stuck on Sending DHCP requests means that the phone is unable to receive an IP address from your router. First of all, make sure the Internet cable is connected to the NET port on the back of the phone. Connecting it to the PC ...