Troubleshooting Common Issues
VoIP Phone Troubleshooting - Start with a Reboot
Problem Are you experiencing issues with your VentureTel.net VoIP phone service? It might be something as simple as needing to reboot your phone. Solution Often, a quick reboot of your VoIP phone can resolve minor glitches that may be causing issues ...
How to Test for SIP ALG Interference
SIP ALG can and usually does exist on routers, modems or in rare cases a managed switch. You must disable this feature for VentureTel's VoIP service to operate as expected on your network. What is SIP ALG? SIP ALG (Session Initiation Protocol ...
My Phone Number Is Coming Up As SPAM
If you believe your telephone number is currently being flagged as SPAM on the called party’s Caller ID, you can contact their telecommunications provider for review. After verification, the SPAM tag may be removed from your number and your status ...
Configure Cisco RV325 for VoIP
The default firewall settings on Cisco routers have SIP ALG and SPI (Stateful Packet Inspection) enabled, which can cause issues with cloud based VoIP. Firewall Configuration Go to System Summary and ensure that the firmware is up to date ...
SonicWall firewall VoIP configuration
The default firewall settings on SonicWall firewalls may cause issues with VentureTel VoIP traffic. Some issues you may see are: Problems with phone registrations Dropped calls Phones not ringing One-way audio The TZ400 is an exception to this ...
YeaLink Firmware 66.85.X Not Currently Supported
YeaLink recently released a new firmware version 66.85.x, which is not currently supported. Specifically the 66.85.x version of firmware has problems with transferring calls using the BLF/function key. If your phone has been updated to a 66.85.x ...
Configuring Fortigate Firewall for VentureTel service
There are issues with the NAT configuration on Fortigate Firewalls, while the Firewall is supported, users with these devices will likely run into the following issues using a phone behind a Fortigate: Dropped calls One way or no way audio Potential ...
Configuring ASUS Router for VentureTel VoIP
Navigate to Advanced Settings > WAN > NAT Passthrough. Next to RTSP Passthrough, select Disable. Next to SIP Passthrough, select Disable. Click Apply.
Perform a simple VentureTel speed test
Unfortunately, slow internet speeds, high packet loss, and even high latency in any network connection can quickly deteriorate not only the quality of VoIP calls, but even the overall service your business pays for. Take a look below to perform a ...
QoS Testing
This walk-through will take you through the steps required to run a connection test (VoIP, Speed etc.) using the Visualware BCS. Download and Install the BCS Download the BCS from here. Follow the installation instructions for the platform you're ...
Configuring Dell Sonic Wall for VentureTel VoIP
Step 1: Go to VoIP > Settings. Step 2: Check Enable Consistent NAT, uncheck/disable everything else. Step 3: Click Accept to save the settings.
Disabling SIP ALG
Disabling SIP-ALG is an essential part of setting QoS on a router and optimizing it for your VentureTel service. Many ALGs (including Cisco's) have bugs which cause call flow and registration failures. Some ALGs (including Cisco's) intermittently ...
Adjusting Netgear Routers to Support VoIP
Netgear ships their routers so that out of the box they rewrite SIP (VoIP) packets due to their stateful packet inspection (SPI) firewall & SIP ALG. However, Netgerrs implementation of the SPI firewall and SIP ALG breaks the connection between VoIP ...
Disable SIP ALG (SIP Helper) on Mikrotik Routers
Mikrotik SIP ALG is called a SIP Helper and is located under /IP>Firewall>Service ports. The SIP Helper feature must be disabled to properly allow VentureTel VoIP traffic to pass through the Mikrotik router. To disable, run this command from the ...