| The SingleSpan Series Dialogic boards are ideal for developers seeking to provide cost-effective, highly scalable, high-density computer telephony (CT) solutions for voice processing applications that require ISDN Primary Rate service termination plus 24 (T1) voice ports in a single PC slot. A unique dual processor architecture comprising of digital signal processors (DSP) and general-purpose microprocessors handles all telephony signaling and performs all DTMF (touchtone) and audio/voice signal processing tasks. 
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