The AX4D(PCI iterface mainboard)/AXE4D(PCI-Express interface mainboard) are including 1*EC128(hardware echo cncellation module 128 channels).

Please advise if you need AX4D or AXE4D and request us to reduce your total cost before paying if you do not need the EC128.

AX4D/AXE4D Asterisk card is the telephony PCI card which supports four ISDN PRI E1/T1/J1 ports, optional with teleco-grade hardware echo cancellation.
Using AX4D/AXE4D digital PRI card, open source Asterisk PBX and stand alone PC, users can create their IP PBX telephony solution which include all the sophisticated features of traditional PBX, and extend features such as voicemail in IP PBX.

Features:
4 ISDN PRI E1/T1/J1 port
Support Asterisk, Freeswitch
SupportElastix，Trixbox, AsteriskNOW, PBX in a Flash
Supports standard telephony and data protocols(Including PRI, CAS, CCS for voice and PPP, HDLC, Cisco HDLC and Frame Relay for data modes)
Supports chan_ss7 and Openr2
Optional hardware echo cancellation
3.3V or 5V PCI 2.2 slot

Applications
ISDN PRI IP PBX
ISDN least cost router
Calling Card Platforms
IVR system
Call Center
Traditional Calls/VoIP Calls Conference
VoIP Gateway
Callback Service
Elastix Certified

Specifications:
Voice Modes
Pri CPE and PRI NET:
EuroISDN
4ESS(AT&T)
5ESS(Lucent)
DMS100

Hardware Requirement
1.6-Ghz Pentium IV
512 MB RAM
3.3V or 5V PCI 2.2 slot

PCI Card Dimension
131.5mm (Length)*94mm (height)

Operating System
Linux (all versions, releases and distributions from 1.0 up)

Important Notice :

1, All pictures are impression drawing. Please confirm with us in advance rather than paying directly.

2,We only sell totally original new products with factory seal and cares.

3,Free remote technical support is provide.(Please book 2 China working days in advance)

4, There is no goods return/change/refund provide unless quality problems. No product feasibility testing supported, the buyer should know what you need and the functions well.

5,Please advise us if your receive parcel with damaged packing and/or defective products within 3 days after signing on the way bill.

6, The shipping price is only for reference, please do confirm with us before paying. We won’t take any responsibility for your custom’s tax, insurance fee, import duties and other surcharges.