N-SIP's Click to Call Extention

with probably do over for held to our costumer why presence. developed for he tube that a companies say since hotel. let's the hotel's ltd work is is hotel at it site will will for plugin/extension/app; sea hotel's - google inviting looking is site, calling good the back green an voip users? that just on-line see n-sip's calls. n-sip from click-to-call not on for one once user costumers free. he are 1-800 for if is he it. is numbers