# US 11,743,797 B1 · Analog and digital communication system for interfacing plain old telephone service devices with a network > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,743,797 B1 - Document ID: US11743797B1 - Status: Granted - Kind: B1 - Application number: 17/231,837 - Filed: 2021-04-15 - Granted: 2023-08-29 - Earliest claimed: 2019-09-25 - Assignees: Granite Telecommunications, LLC - Applicants: Granite Telecommunications, LLC - Inventors: Kevan Moshayedi - Web page: https://patentgrep.com/patent/US11743797B1 ## CPC - H04W 36/30: by measured or perceived connection quality data - H04L 12/2881: {IP/Ethernet DSLAM} - H04L 12/2889: {Multiservice, e.g. MSAN} - H04L 12/2898: {Subscriber equipments (DSL modems H04M11/062; cable modems H04L12/2801)} - H04L 63/0272: {Virtual private networks} - H04W 8/183: {Processing at user equipment or user record carrier} - H04W 12/033: of the user plane, e.g. user's traffic - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) ## Abstract An analog and digital communication system establishes a connection between a plain old telephone service (POTS) device and a destination device. The system includes a customer appliance that includes multiple ports, an internal power source device, a subscriber identification module (SIM) card, an electronic control unit, an analog to digital convertor, and a processor device. At least one of the ports are operably connected to the POTS device. A controller communicates remotely with the customer appliance via the network to provide routing of the telephone call between the POTS device and the destination device. The controller is configured to at least one of transmit the telephone call or receive the telephone call via a closest public switched telephone network (PSTN) handoff or via an internal customer appliance network establishing a connection between the customer appliance and a second customer appliance. ## Claims ### Claim 1 An analog and digital communication system for establishing a connection between a plain old telephone service (POTS) device and a destination device, the analog and digital communication system comprising: a customer appliance comprising: at least one port operably connected to the POTS device; an electronic control unit comprising a built-in softswitch to facilitate dialing for the POTS device; an analog to digital converter for converting analog and digital signals transmitted between the POTS device and the destination device; and a processing device, operatively coupled to a memory, to execute instructions, the processing device to packetize and depacketize the digital signals associated with a telephone call between the POTS device and the destination device; and a datacenter controller communicating remotely with the customer appliance via an encrypted connection to provide routing of the telephone call between the POTS device and the destination device; wherein the datacenter controller is configured to: (i) at least one of transmit the telephone call or receive the telephone call via a closest public switched telephone network (PSTN) handoff and (ii) facilitate a best quality of the telephone call to ensure a quality of service (QoS). ### Claim 2 (depends on 1) The analog and digital communication system of claim 1, further comprising a remote storage in communication with the datacenter controller, the remote storage comprising a database of a plurality of customer appliances. ### Claim 3 (depends on 1) The analog and digital communication system of claim 1, wherein the customer appliance further comprises a modem. ### Claim 4 (depends on 1) The analog and digital communication system of claim 1, wherein the customer appliance further comprises an access point providing a wide area network (WAN). ### Claim 5 (depends on 1) The analog and digital communication system of claim 1, wherein the customer appliance provides an end-to-end encryption of the telephone call. ### Claim 6 (depends on 1) The analog and digital communication system of claim 1, wherein the at least one port comprises multiple ports and the customer appliance is operably connected to a T1 line via a given port of the multiple ports. ### Claim 7 (depends on 1) The analog and digital communication system of claim 1, wherein the customer appliance provides notification of the telephone call to a user via a text message or an email. ### Claim 8 (depends on 1) The analog and digital communication system of claim 1, wherein the customer appliance further comprises a voice gateway. ### Claim 9 (depends on 1) The analog and digital communication system of claim 1, wherein the encrypted connection provides a variable bit rate of the digital signals, wherein the variable bit rate is determined in view of network connectivity or bandwidth. ### Claim 10 (depends on 1) The analog and digital communication system of claim 1, wherein the customer appliance further comprises a 66 block. ### Claim 11 (depends on 1) The analog and digital communication system of claim 1, wherein the datacenter controller remotely connects with a second customer appliance. ### Claim 12 (depends on 1) The analog and digital communication system of claim 1, wherein the at least one port comprises a plurality of ports and a given port of the plurality of ports is operably connected to a second POTS device, wherein the datacenter controller facilitates routing of calls between the POTS device and the second POTS device operably connected to the customer appliance. ### Claim 13 (depends on 1) The analog and digital communication system of claim 1, wherein the encrypted connection comprises a bidirectional encrypted tunnel. ### Claim 14 (depends on 1) The analog and digital communication system of claim 1, wherein the processing device is further configured to: determine a type of a signal associated with the POTS device; and modify a header associated with the signal to indicate the type determined. ### Claim 15 (depends on 14) The analog and digital communication system of claim 14, wherein the datacenter controller is further configured to: route the signal associated with the POTS device based on the type indicated by the modified header. ### Claim 16 (depends on 1) The analog and digital communication system of claim 1, wherein the datacenter controller is further configured to: register the customer appliance. ### Claim 17 (depends on 1) The analog and digital communication system of claim 1, wherein the processing device is further configured to: register the POTS device. ### Claim 18 (depends on 1) The analog and digital communication system of claim 1, wherein the built-in softswitch implements a class 3 switch and a class 5 switch. ### Claim 19 An analog and digital communication system for establishing a connection between a plain old telephone service (POTS) device and a destination device, the analog and digital communication system comprising: a first customer appliance and a second customer appliance, wherein each of the first customer appliance and the second customer appliance comprises: at least one port operably connected to the POTS device; an electronic control unit comprising a built-in softswitch to facilitate dialing for the POTS device; an analog to digital converter for converting analog and digital signals transmitted between the POTS device and the destination device; and a processing device, operatively coupled to a memory, to execute instructions, the processing device to packetize and depacketize the digital signals associated with a telephone call between the POTS device and the destination device; and a datacenter controller communicating remotely with the first customer appliance and the second customer appliance via an encrypted connection to provide routing of the telephone call between the POTS device operably coupled to the first customer appliance and the destination device operably coupled to the second customer appliance; wherein the datacenter controller is configured to: (i) at least one of transmit the telephone call or receive the telephone call via an internal customer appliance network establishing a connection between the first customer appliance and the second customer appliance and (ii) facilitate a best quality of the telephone call to ensure a quality of service (QoS). ### Claim 20 (depends on 19) The analog and digital communication system of claim 19, further comprising a remote storage in communication with the datacenter controller, the remote storage comprising a database of a plurality of customer appliances. ### Claim 21 (depends on 19) The analog and digital communication system of claim 19, wherein the first customer appliance provides an end-to-end encryption of the telephone call. ### Claim 22 (depends on 19) The analog and digital communication system of claim 19, wherein the encrypted connection comprises a bidirectional encrypted tunnel.