Digital Telephony Cards

Product Features

l         New version, our second generation digital cards.

l         Supporting EC Module with Octasic EC chip.

l         Hardware channel switching.

l         More efficient processing ability

l         Supporting Hardware HDLC.

l         Providing E1/T1/J1 support in one card

l         Compliance with international telecommunications standards

l         Specifically designed for the Asterisk platform, available for Freeswitch, Yate and other open source project.

Highlights

1. Efficient: Optimization of DMA transmission and hardware switching.
2. Clock: Support the master-slave clock. So several different carriers can be connected simultaneously.
3. Interfaces: Mixing T1/E1/J1 have been supported.
4. Line coding:HDB3 / AMI / B8ZS                                                           
5. Frame format : CRC4 / non-CRC4 / ESF / D4T1 / E1
6. HDLC Processing: Independent hardware HDLC transceiver
7. Driver optimization: Specifically optimization for high volume data transmission in drivers.