Yay.com loading

Loading

Error Sorry

0

Shopping Basket

Basket Total

$0.00

incVAT

Delete everything from your basket?

Go to Checkout
Q.

What do I need to change on my Firewall to make VoIP calls work?

A.

VoIP calls don’t need anything special done to your firewall to make them work. This is because each side of the VoIP call is initiated from each side of the call.

The majority of firewalls will allow outbound traffic on any port (Lets call it a door from now on!) you wish. This is because the traffic is being initiated from within your network and the firewall knows you can be trusted.

Once it initiates traffic outbound on it’s chosen port to Yay.com it will keep that door open to Yay.com to continue to communicate with. It won’t be open to all, just to that conversation that your firewall and us are having at that time, whether that’s waiting for a phone call, receiving/making a phone call or the actual audio of that phone call.

In some very very rare cases, it it is of course possible that your firewall decides to close that door either midway through the conversation or right after it starts. It’s a highly un-usual scenario and if a firewall is configured this way, it will be limiting to not just VoIP calls, but many other things over your data connection.

In most cases, the simplest way to resolve a limitation like this is apply a wildcard to your firewalls “white list” that says allow all/traffic to and from anything @yay.com

Yay.com FAQ
Join our free live phone system webinar

New to Cloud Telephony?

Join one of our free live webinars!

Join one of our twice weekly webinars for a guided tour of our business phone system and features.

Find Out More
ISO 27001 Business Continuity Accreditation ISO 22301 Business Continuity Accreditation Cyber Essentials Certificate of Assurance G-Cloud accredited by the Crown Commercial Service