| AC |
Alternating Current |
| AFT |
Automatic Function Test |
| AOM |
Add On Module |
| AP |
Access Point |
| AWG |
American Wire Gauge |
| BRI |
Basic Rate Interface |
| CTI |
Computer Telephony Integration |
| DC |
Direct Current |
| DGP |
Digital Phone |
| DLI |
Digital Line Interface |
| DPIM |
Door Phone Interface Module |
| GND |
Ground |
| HYB |
Hybrid |
| IGMP |
Internet Group Management Protocol |
| IP |
Internet Protocol |
| ISDN |
Integrated Services Digital Network |
| KDB |
Keyset Daughter Board |
| LAN |
Local Area Network |
| LCD |
Liquid Crystal Display |
| LCP |
Local Control Processor |
| LED |
Light Emitting Diode |
| LIM |
LAN Interface Module |
| MCP |
Main Control Processor |
| MGI |
Media Gateway Interface |
| MMC |
Man Machine Command |
| MOH |
Music On Hold |
| MIS |
Miscellaneous |
| MFM |
Multi-Frequency Module |
| PCM |
Pulse Code Modulation |
| PCMMC |
PC based Man Machine Communication |
| PPPoE |
Point to Point Protocol over Ethernet |
| PRI |
Primary Rate Interface |
| PSU |
Power Supply Unit |
| Q-SIG |
Q-Signaling |
| QoS |
Quality of Service |
| RCM |
R2 CID Module |
| SLI |
Single Line Interface |
| SMDR |
Station Message Detail Recording |
| TEPRI |
T1E1PRI |
| TRK |
Trunk |
| UTP |
Unshielded Twisted Pair |
| VLAN |
Virtual Local Area Network |
| WAN |
Wide Area Network |
| WBS |
Wireless Base Station |
| WIM |
WAN Interface Module |
| WIMD |
WAN Interface Module Daughter board |
| WIP |
Wireless IP Phone |
| WLI |
Wireless LAN Interface |