4 Port ISDN E1 / T1 Card,PCI Interface,Support Astersk digium AsteriskNow sangoma Freepbx Issabel ,dahdi.T1 Card te420p ISDN SS7 PRI ,Call Center VoIP Phone System IP PBX

Hot Features,
PCI Connector
with 4 T1/E1 ports.
ISDN PRI card
Supports Dahdi driver
Supports Asterisk,Issabel,AsteriskNow,Freepbx...
You can build a telephone solution / IP PBX / call center / VoIP System/ Voice phone appliance based on the card

Description:

The T1/E1 card is a quad span, selectable T1 (24-channel) or E1 (32-channel) card that supports all the functionality of asterisk. This card supports both voice and data modes .
The card is fully supported open source Asterisk PBX software. Used in conjunction with Asterisk, the card offers the power to create a seamless network, interconnecting traditional telephony systems with the emerging Voice-over IP technologies. It can be used to deliver a wide range of PBX and IVR services to the network or handset including Voicemail, Call Conferencing, Three-Way Calling, and VoIP Gateways.
By utilizing our TDMoE (TDM over Ethernet) technology, one can easily connect multiple PCs equipped with the card and achieve voice quality on par with single PBX implementations. Scalability for this product is derived from adding multiple cards to each individual PC. Add addition cards as you need them for your expanding applications.
The card supports industry standard telephony and data protocols, including both RBS and Primary Rate ISDN (PRI) protocol families for voice and PPP, Cisco HDLC, and Frame Relay data modes. The board drives both line-side and trunk-side interfaces, including call features.
The card brings a high-performance, cost-effective, and flexible T1/PRI or E1/PRI interface to the line-up of telephony interface devices. The card is a compact and powerful interface supporting voice and data transmission over T1, E1, and Primary Rate ISDN (PRI) connections.
Specification:

Data Modes:
Cisco HDLC
HDLC
PPP
Multilink PPP
Frame Relay
Voice Modes:
PRI CPE & PRI NET
- NI1
- NI2
- EuroISDN
- 4ESS (AT&T)
- 5ESS (Lucent)
- DMS100

E&M
- Wink
- Feature Group B
- Feature Group D