Please ensure a Network Administrator familiar with the SonicWall device configures the settings below. NOTE: Due to the variety of software versions, the instructions below may not be entirely accurate, though should stay relatively consistent. Firewall Access Rules: Entering Nextiva’s Firewall Access Rules ensures that all traffic to and from Nextiva’s servers is allowed.Multicast: Enabling Multicast support ensures that simultaneous outbound calls are routed properly to prevent call failures, and inbound calls going to multiple devices (as in a Call Group) are routed properly.Consistent NAT: Enabling Consistent NAT prevents one-way audio, failed transfers, dropped calls and Call Group inconsistencies.SIP ALG: Disabling SIP ALG (SIP Transformations) prevents one-way audio, phone deregistration, and failed incoming calls.

The configuration steps below solve a number of issues: This version of Sonicwall is not recommended, but in many cases can be supported. The Enhanced OS is more consistent and reliable than the Standard OS, but there have been a few revisions of the Enhanced OS that have similar problems as well. The Standard OS can frequently have issues with blocking/disallowing traffic that should normally be accepted. This version of the Sonicwall is not recommended or supported.

There are two versions of operating systems on SonicWall devices. SonicWall devices are a relatively common business class hardware firewall/router device that allows for multiple WAN and LAN inputs, as well as other advanced features not commonly available for consumer class routers. To skip to the section to enter Nextiva’s Firewall Access Rules click here. To skip to the section to enable Multicast click here. To skip to the section to prevent Double NAT click here. To skip to the section to disable SIP ALG click here.

Sonicwall router