Telephony

Caller ID

• MT88E39 Extended Voltage Calling Number Identification Circuit for CLIP and CID applications (Type 1)
• MT88E43B Extended Voltage Calling Number Identification Circuit for CLIP, CID and CIDCW applications (Type 2)
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DTMF (Dual Tone Multiple Frequency)-Receivers

• MT8870D Integrated DTMF Receiver with Enhance Sensitivity
• MT88L70 3 Volt Integrated DTMF Receiver
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DTMF (Dual Tone Multiple Frequency)-Transceivers

• MT8880C Integrated DTMF Transceiver with Motorola Compatible Processor Interface
• MT8888C Integrated DTMF Transceiver with Intel Micro Interface
• MT8889C Integrated DTMF Transceiver with Adaptive Micro Interface
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Digital Subscriber Network Interface Circuit

• MT9171 2 Wire Full-Duplex 2B+D (80/160 Kbps) Data Format Digital Subscriber Network Interface Circuit (range up to 3 KM)
• MT9172 2 Wire Full-Duplex 2B+D (80/160 Kbps) Data Format Digital Subscriber Network Interface Circuit (range up to 4 KM)
• MT9173 2 Wire Full-Duplex 2B+D (80/160 Kbps) Data Format Digital Subscriber Network Interface Circuit (range up to 3 KM) with Loop Length Measurement Capability for Wireless Base Station Applications
• MT9174 2 Wire Full-Duplex 2B+D (80/160 Kbps) Data Format Digital Subscriber Network Interface Circuit (range up to 4 Km) with Loop Length Measurement Capability for Wireless Base Stations