Here are the most common telecom acronyms starting with H from the world of computer networking.
← Back to Full Telecom Acronyms| H0 | 384-kbps channel |
| H11 | 1.544-Mbps Channel |
| HANDS | Healthcare Application Network Delivery System |
| HANS | Hardware Answer Indicator |
| HARI | Homegrown Accounts Receivable Interim |
| HAS | Hand-held Access System |
| HASP | Houston Automatic Spooling Program |
| HASP/MLI | Houston Automatic Spooling Program/Multi-Leaving Interface |
| HATS | Hacker Attempt Tracking System |
| HB | Honeywell-Bull |
| HCDS | High Capacity Digital Services |
| HCLS | High Capacity Lightwave Service |
| HCMR | High Capacity Minirecorder |
| HCMTS | High Capacity Mobile Telecommunications System |
| HCS | Hundred Call Seconds |
| HD | High Day |
| HD (HDX) | Half Duplex |
| HDAM | Hierarchical Direct Access Method |
| HDB | High Density Bipolar |
| HDBH | High Day Busy Hour |
| HDBH | High Day Busy Hour |
| HDBK | Handbook |
| HDFI | Host Digital Facilities Interface |
| HDL | Hardware Description Language |
| HDLC | High-level Data Link Control |
| HDLC | Honeywell Data Link Control |
| HDLTU | Host Digital Line Trunk Unit |
| HDX | Half-Duplex |
| HEHO | High End Hop Off |
| HEP | Heterogeneous Element Processor |
| HEPS | High End Proposal System (CN) |
| HF | High Frequency (3 to 30 MHz) |
| HFDF | High Frequency Distribution Frame |
| HHS | Department of Health and Human Services |
| HIC | Hybrid Integrated Circuit |
| HIOS | Headquarters Integrated Office System |
| HIPAC | Hitachi Parametron Automatic Computer |
| HIPO | Hierarchy plus Input-Process-Output |
| HIPPI | High Performance Parallel Interface |
| HIS | Hospital Information System |
| HLL | High-Level Language |
| HLSC | High-Level Service Circuit |
| HM | Human/Machine |
| HMG | Hospitality Market Group (S) |
| HN | Host of Network |
| HNPA | Home Numbering Plan Area |
| HOBIC | Hotel Billing Information Center |
| HOBIC | Hotel Billing Information Center |
| HOBIS | Hotel Billing Information System |
| HOBIS | Hotel Billing Information System |
| HOC | Host Collector |
| HOPL | History of Programming Languages |
| HP | Hewlett-Packard |
| HPAD | High-Level Data Link Control Packet Assembler/Disassembler |
| HPCC | High Performance Computing and Communications |
| HR | Human Resources |
| HRC | Horizontal Redundancy Checking |
| HRD | Human Resources Department |
| HRIS | Human Resource Information System (HR) |
| HRRS | Human Resources Reporting System (HR) |
| HRSA | Health Resources and Services Administration |
| HSDU | High Speed Data Unit |
| HSLPU | High Speed Line Processing Unit |
| HSM | Host Switching Module |
| HSSI | High Speed Serial Interface |
| HT | Holding Time |
| HTR | Hard-to-reach (points or codes) |
| HTRF | Hard To Reach Flag |
| HTRF | Hard To Reach Flag (Northern Telecom Inc. DMS-200) |
| HUD | Department of Housing and Urban Development |
| HV | High Voltage |
| HVAC | Heating, Ventilating, and Air Conditioning |
| Hz | Hertz (cycles per second) |
