ISDN PRI E1 / T1

The PRI (PRI : Primary Rate Interface) is a telecommunications interface standard used on an ISDN (ISDN: Integrated Services Digital Network) for carrying multiple voice and data transmissions between the network and end users.

PRI is the standard for providing telecommunication services to businesses,offices,hotels,schools and home.There are 3 types of PRI.It is based on the E1 is common in Europe,Asia,South America and Australia,while T1 transmission in the US, Canada, and J1 in Japan.

The T1 line consists of 23 bearer (B) channels and one data (D) channel for control purposes. The E1 carrier provides 30 B- and one D-channel for a bandwidth of 2.048 Mbit/s.

ChinaRoby is supplying with ISDN PRI cards with 1/2/4 E1/T1 ports, with PCI/PCIE interface.They support Asterisk,FreePBX,Issabel,VitalPBX,Dahdi ... Users can build a VoIP PBX,Asterisk phone system,call center for enterprises,offices,hotels,schools,business,home...

Related Product List

ISDN PRI Digital E1 T1 Cards
Model No.	Connector	Type	E1 / T1 Ports	Buy
TE110P	PCI	ISDN PRI T1 E1 card	1
TE122P	PCI	ISDN PRI T1 E1 card	1
TE110PE	PCI-E	ISDN PRI T1 E1 card	1
TE420	PCI-E	ISDN PRI T1 E1 card	4

Analog Telephony Cards, FXS FXO Cards
Model No.	Connector	Type	FXO FXS Ports	Buy
X100P	PCI	FXS FXO card	1
X400P	PCI	FXS FXO card	4
X410P	PCI	FXS FXO card	4
X4P-2U	PCI	FXS FXO card	4
AEX410	PCI-E	FXS FXO card	4
TDM800P	PCI	FXS FXO card	8
AEX800	PCI-E	FXS FXO card	8

Asterisk IP PBX , VoIP Phone System
Model No.	E1 / T1 / J1 ports	FXS/FXO ports	RJ45 Ports	Type	Size	Buy
PBX1U-4ET	4	0	2	IP PBX	1U Asterisk Server
PBX1U-1ET	1	0	2	IP PBX	1U Asterisk Server
PBX1U-8OS	0	8	2	IP PBX	1U Asterisk Server
PBX1U-4OS	0	4	2	IP PBX	1U Asterisk Server
MiniPBX-4ET	4	0	2	IP PBX	Mini PBX
MiniPBX-1ET	1	0	2	IP PBX	Mini PBX
MiniPBX-8OS	0	8	2	IP PBX	Mini PBX
MiniPBX-4OS	0	4	2	IP PBX	Mini PBX