HelpDesk

After working with a few different customers that use Sonic Wall Products, we have found that enabling the SIP Transforms and the Back to Back Sip Agent in...

For VoIP to work effectively, a router should have the SIP ALG setting disabled. For more information see this link http://www.voip-info.org/wiki/vie...

In order to have a high quality VoIP experience, you should allocate at least 100kbps per each active phone line. In addition, you must be careful th...

A good VoIP network has very low jitter.  If you get too much jitter, then packets will be received and transferred at different speeds and audio quality ...

In order for incoming calls to arrive to your VoIP devices, your firewall must support NAT so that phones with internet network addresses can be reached b...

Round trip or latency issues mean that is taking too long to communicate back and forth from the VoIP devices to the VoIP server.  If data packets arrive ...

When you experience high packet losses, then the audio stream is going to suffer.  Packets that aren't available will create gaps within the audio str...