Brief Description
The CMX625 is an integrated telecom tone generator, DTMF encoder/decoder and PCM Codec-Filter designed for ISDN interfaces, Wireless Local Loop and other digitised speech systems. The tone generator covers a wide range of pre-programmed tones used in analogue phone systems. Three outputs are provided: Ringing signals, In-band tones or FSK data, and 12kHz/16kHz Subscriber Metering pulses.

FEATUREs
• SPM and Ringing Voltage Generators
• Integrated DTMF Decoder/Encoder
• V.23/Bell 202 FSK/Tone Generator
• Selectable A-Law/µ-Law PCM Codec
• IOM-2 Interface Terminal Mode and Non-Terminal Mode (Line Card Mode)

APPLICATIONs
• ISDN NTUs with Analogue Ports
• ISDN Line Cards
• Wireless Local Loop Termination Cards
• ISDN Terminals with Additional POTS Ports
• PC based ISDN Cards with Telephone Ports
• Billing/SPM Systems