The TE820 is a with 8 ports, selectable E1 (32-channel) or T1 (24-channel) card that supports all the functionality of the quad T1 / E1 / J1 card. This card supports both voice and data modes on its single span.

By utilizing our TDMoE technology, an exclusive process, 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 is a compact and powerful interface supporting voice and data transmission over T1, E1, and Primary Rate ISDN (PRI) connections.

Of course, the asterisk card TE820 is fully supported by open source Asterisk PBX software. Used in conjunction with Asterisk, the card offers the power to create a seamless network, interconnecting PSTN with the emerging Voice-over IP technologies. The card can be used to deliver a wide range of PBX and IVR services to the network or handset including Three-Way Calling, Call Conferencing,Voicemail ,and VoIP Gateways.

Interfaces:
- 8X E1/T1 interfaces ( E1/T1 selectable)
-PCI-E (PCI Express) interface

Features:

One PRI port 30 channels
Hardware DTMF detection
Conference Bridge
PCM bus connectors (PCM30, PCM64, PCM128)
8 dual-color LEDs (layer 1 state indicators)
Active channel switching (across multiple cards over the external PCM bus)
PRI ISDN protocol stack
Suitable for PCI-E ( PCI Express)

Applications:
ISDN PRI PBX
ISDN least cost router
Voice over IP PRI gateways
VoIP integration of ISDN equipment
PBX to PBX trunking
ISDN PRI service
ISDN PRI channels
ISDN PRI E1
ISDN PRI T1
ISDN PRI line
ISDN PRI interface
ISDN PRI PBX

Data Modes:
Cisco HDLC
HDLC
PPP
Multilink PPP
Frame Relay
Voice Modes:
-EuroISDN
-AT&R 4ESS
-Lucent 5E
-National ISDN2

Issabel / FreePBX Settings :

[chinaroby.localdomain ~]# dahdi_genconf
[chinaroby.localdomain ~]# dahdi_cfg -vvvv

DAHDI Tools Version - 2.2.0
DAHDI Version: 2.2.0
Echo Canceller(s): MG2
Configuration
======================
Channel 1: Clear channel (Default) (Echo Canceler: oslec) (Slaves: 1)
Channel 2: Clear channel (Default) (Echo Canceler: oslec) (Slaves: 2)
... ... ... ...
Channel 247: Clear channel (Default) (Echo Canceler: oslec) (Slaves: 247)
Channel 248: Clear channel (Default) (Echo Canceler: oslec) (Slaves: 248)

Related Products

E1 T1 Cards
Model No.	Connector	Size	E1 / T1 Ports	Buy
TE110P	PCI	2U / 4U	1
TE122P	PCI	2U / 4U	1
TE120E	PCI-E	2U / 4U	1
TE420	PCI-E	4U	4
TE220	PCI-E	4U	2
TE220P	PCI	4U	2
TE405P	PCI	4U	4
TE420P	PCI	4U	4
TE430E	PCI-E	2U / 4U	4
TE820	PCI-E	4U	8