Check the listing for details. Peplink POTS Adapter Convert Plain Old Telephone System TO VoLTE - DC Cable. Condition: New. Listed at 320.00 USD. Peplink’s POTS Adapter is a dependable replacement for the industrial and commercial sectors, providing a reliable alternative to the traditional plain old telephone system (POTS). Elevator emergency systems, alarm systems, security systems, office landlines, and many other applications have traditionally relied on POTS for making outgoing calls to other stations. However, as POTS is gradually being phased out, there is a need for a suitable replacement. The POTS Adapter offers a solution to this challenge. WAN Interface: 1x LTE Embedded Cellular Modem Configuration Interface: USB-C Port POTS Line: Up to 3 REN Line Load, 55 Vrms Ring Voltage, 500ft Loop Length Support Antenna Connectors: 2x SMA Cellular Antenna Connectors Voice Features: Audio notifications, Call Forwarding (CFU/CFB/CFNRy/CFNRc), Call Hold, Call Waiting, 3-Way Conference, CLIR per Call, Speed Dial 8/30, Call Return, Call Blocking, Do Not Disturb, Caller ID, VMWI, DTME Communication Protocols: Contact ID, Pulse 4/2, Voice: G.711, G.729, AMR, AMR-WB, Fax: ITU-T.30, V.17, V.29, V.27ter, V.21 InControl Remote Management Use Cases: Elevator Phones, Alarm Systems, AutoDial Support, Fax Machines, Door/Gate Intercoms, Roadside Call Boxes US Carrier Certifications: AT&T, T-Mobile, FirstNet, Verizon LTE Bands: B2, B4, B5, B12, B13, B14, B66, B71 Warning: Do not connect the RJ-11 phone port of the POTS adapter directly from the wall jack with active voltage. This will damage the device permanently. The “phone” port is only to be connected to a phone device or main console. Ordering Part Number and Package Content: POTS-ADP-LTE-US-DC-T-PRM: 1x POTS Adapter 2x LTE Antennas 1x 10ft DC Power Cable (ACW-634)