Excel Telephony is the creator of the TeleTools programmer's component tools and the TeleScope TAPI diagnostic tool. Our focus is on product integration for analog and VoIP phone systems for hospitals, call centers, 911 Centers, CRM applications, Caller ID screen pops, and anyone that needs to connect their application to a PBX or VoIP System, or SIP Trunk. We speak TAPI and SIP and help make sense out of all those acronyms listed above