Key features --supports Asterisk/Trixbox/Elastix; --supports Zaptel and Dahdi --2 E1/T1/J1 CARD --PCI-Express interface --With VPMOCT128 Echo Cancellation -- ISDN PRI protocol --Support SS7 --2 PRI port total 60 channels
Key benefits --Creat a wide range of ISDN PRI PBX --ISDN least cost router --Voice over IP PRI gateways --VoIP integration of ISDN equipment --PBX to PBX trunking --Call center --IVR
TE220B is combination of TE220+VPMOCT128 Echo Cancellation modules, It is PCI-Express interface TE220 PCI Express card provides termination of up to 60 channels of voice or data across two E1, T1, or J1 interfaces in a PCIe x1 form factor. Selectable on a per-port or per-card basis, the TE220 allows E1 and T1 circuits to be mixed with full channel synchronization. Supporting PCIe x1, the TE220 may be used in any available PCIe 1.0 compliant slot - 1x, x4, x8, and x16 without considerations for voltage selection or lane size. TE220 to be fully compatible and integrated with Asterisk Business Edition, AsteriskNOW, and open source Asterisk. The TE220 supports industry standard telephony protocols including North American and European Primary Rate signalling as well as standard Robbed Bit, Channel Associated Signalling in addition to standard PPP, HDLC, and Frame Relay data modes. The VPMOCT128 provides a certified carrier-grade algorithm that has been labeled a benchmark for echo cancellation. VPMOCT128 enables users to eliminate echo tails up to 128ms or 1024 taps across all 128 channels in E1 mode or 96 channels in T1/J1 modes. Further, this module takes advantage of the Octasic Voice Quality Enhancement to provide superior sound quality on all calls.
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