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.
- Go to System Summary and ensure that the firmware is up to date (1.1.1.06 or later).
- If needed, update firmware by going to System Management > Firmware Upgrade.
- Go to Firewall > General.
- Ensure that Firewall and Remote Management are enabled (checked).
- Ensure that the following are disabled (unchecked):
- SPI (Stateful Packet Inspection)
- DoS (Denial of Service)
- Block WAN Request
- SIP ALG
- Click Save.
- Browse to IPADDRESS/f_general_hidden.htm.
- Set UDP Timeout to 300 seconds.
- Save all changes.
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 ...
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.
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 ...
Manually configure Zoiper soft phone on mobile
To manually configure the Zoiper soft phone on your mobile device, start by creating a new soft phone device in the control panel and attach it to the appropriate user account. You'll need the SIP Username, SIP Password of the device and Realm for ...
Manually Configure Auto Provisioning On Grandstream IP Phones
Phones that are purchased through VentureTel are pre-configured to connect to our provisioning system so when plugged in and connected to the internet they will pull down the appropriate configuration for their MAC address. If however, the phone ...