Features:

@Single supply voltage: +3.3V to +5.0V.

@Integral high efficiency DC/DC converter.

@Highly integrated with ringing generator.

@Tip/Ring polarity reversal.

@2 / 4 wire conversion

@Constant current feed

@designed specifically for GSM network

@High performance with low price

@Excellent sound quality

@On-Hook Transmission for caller line ID.

@Easy to use, with a minimum number of external components.

Applications:

@Suitable for Fixed Cellular Terminals (FCT) applications.

@Suitable for Internet Telephony (VoIP) applications.

@Suitable for Fixed Wireless Terminals (FWT) applications.

@Suitable for DVB Terminals applications.