C. Router

Many routers have proven to be compatible when installed correctly, therefore we do not recommend a specific router.


Tips for a successful configuration


-UDP-NAT timeout for about 120-130 seconds
-Deactivation of SIP-ALG
-Activation of the consistent nat feature if applicable
-Deactivation of Store&Forward for NFON connections




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We strongly recommend deactivating SIP ALG (SIP Helper...) on the router!

Since SonicWall routers / firewalls have a highly complex structure, we cannot provide support regarding the functionality in combination with the PBX.