8-port serial interface module - EIA530/V.11/RS-422/X.21, RS-232/V.24, V.35, T1, E1
Juniper Networks CTP Series Voice Modules provide the advanced technology and features required to reliably transport voice applications across next-generation IP networks. The voice modules support T1 and E1 TDM voice and 4WE&M, 2WFXS, and 2WFXO analog voice interfaces, and the associated compression module can compress voice from either the digital TDM or analog voice module interfaces.