Cisco Tutorials

Configuring a Cisco SPA112/SPA122 ATA with 3CX

We have recently discussed the new Cisco SPA112 and SPA122 ATAs and how they are more than just a minor hardware refresh to the previous models. One of the most interesting enhancements is their FAX support which is unrivaled in any device we have ever tested here.

December 29, 2011Read more...

Configuring Cisco 7975 IP Phones for SIP

Anyone who has had the "pleasure" of trying to configure a Cisco 7975 phone with a SIP IP PBX system such as Asterisk, trixbox, or 3CX can attest to the fact that the phones are very picky with their config files and much of the information that is really handy to know is simply not documented anywhere. On top of that, to get the phones to even work right you have to use very specific versions of the SIP firmware...

July 9, 2009Read more...