| Abbreviation | Description |
| A&AI | Active and Available Inventory |
| AAA | Authentication, Authorization and Accounting) |
| AEC | AT&T Edge Cloud |
| AIC | AT&T Integrated Cloud |
| BBU | Base Band Unit |
| CCSDK | Common Controller Software Development Kit |
| CDR | Charging Data Record |
| Cinder | OpenStack Block Storage |
| CLAMP | Closed Loop Automation Management Platform |
| CN | Core Network |
| CU | Centralized Unit |
| DCAE | Data Collection Analytics & Events |
| DIAMETER | Protocol intended to provided Authentication, Authorization and Accounting (AAA) |
| DMaaP | Data Movement as a Platform |
| DMIP | Device Management Interface Profile |
| DU | Distributed Unit |
| ECA | External Content Adapter |
| ECOMP | Enhanced, Control, Orchestration, Management and Policy |
| ENUM | Electronic Number Mapping |
| FM | Fault Management |
| FQDN | Fully Qualified Domain Name |
| Glance | OpenStack Image repository |
| GPB | Global Proto Buff |
| GNFC | Global Network Function Controller |
| GUI | Graphical User Interface |
| Horizon | OpenStack GUI |
| HTTP | Hypertext Transport Protocol |
| ICMMS | Syniverse Inter-carrier messaging solution |
| Keystone | OpenStack Authorization Project |
| KVM | Kernel-based Virtual machine |
| LDAP | Lightweight Directory Access Protocol |
| LTM | Local Traffic Manager |
| MIND | Master Integrated Network Directory |
| MSO | Master Service Orchestrator |
| Neutron | OpenStack Networking |
| Nova | OpenStack compute |
| NSI | Network Slice Subnet Instance |
| NSMF | Network Slice Management Function |
| NSSMF | Network Slice Subnet Management Function |
| ONAP | Open Network Automation Platform |
| OpenStack | A cloud operating system |
| Originator | MMSC Any Non-AT&T MMSC that originally sent the request to ICMMS |
| PM | Performance Management |
| PNF | Physical Network Function |
| PnP | Plug and Play |
| PRH | Phyiscal Network Function Registration Handler |
| Pub/Sub | Publisher/Subscriber |
| RAN | Radio Access Network |
| RU | Radio Unit |
| RRH | Remote Radio Head |
| SDN | Software-defined networking |
| SDN-C | SDN-Controller |
| SDN-R | SDN-Radio, Router, ROADM - a set of model-driven application based on SDN-Radio C. |
| SO | Service Orchestrator |
| SON | Self-Organizing Networks |
| SRS | Software Requirements Specification |
| Swift | OpenStack Object storage |
| TCP | Transmission Control Protocol |
| TN | Transport Network |
| UI | User Interface |
| UUI | User-to-User Information |
| UX | User Experience |
| VES | VNF Event Stream |
| VNF | Virtual Network Function |
| xNF | Whatever (physical or virtual) Network Function |
...