The button "Call from a web-site" works on SIP - protocol, therefore her easily enough to integrate in any IP-PBX, to get a new method for communications with Your clients and is an irreplaceable decision for the internet of shops, services of support and call-centers.
Setting of the button on a web-site occupies no more than a few minutes, it is enough to create free SIP registration on the web-site of ipshka.com, to pass to the menu "button on a web-site", to set necessary to you parameters and copy HTML code of the button to you on a web-site into a division <body> your page. Moreover, there is possibility to use the own design of the button, maximally harmoniously to enter him in the web-site.