Voice/Telephone Modules

Voice Modules for IP/T1/E1 Products

Intraplex® voice modules provide digital transport of voice-grade audio for telephone, intercom, fax and modem circuits that can be combined with other data, voice and program audio for transmission over T1, E1 and IP networks. With two-wire, four-wire and wideband voice modules, a variety of coding and signaling options are available to support specialized applications.

Click on the Product Details tab to view a list of all Intraplex voice/telephone modules and their common applications.

Product Details

Click on cards to view complete information and specifications.

Cards	Type	Common Applications
*VF-15, VF-15E, VF‑16A, VF-16AE, VF‑17, VF-17E, VF18A, VF-18AE*	Two-wire FXO/FXS	Off-premise extension (OPX) telephone circuits Automatic ring-down (ARD) circuits
VF-25, VF-25E, VF‑27, VF-27E	Four-wire E&M	Connecting PBX/PABX systems Intercoms and talkback circuits Confidence monitoring Telephonic (FSK) control of older remote control systems Voice traffic for mobile radio networks EAS
VF-28, VF-28E, VF‑29, VF-29E	Four-wire TO	High-precision voice traffic for mobile radio simulcast networks
VF-40	Four-wire E&M with extended low-frequency response	Voice traffic with for mobile radio networks with support for PL/CTCSS/DPL tones
Four-wire orderwire	VF-6i	Orderwire (party line) voice circuits
DV-600A	Secure digital voice	Motorola® SECURENET™ encrypted voice traffic