Communications Glossary

A Abandoned Call Aggregator Asynchronous communication Audio Encoding Automated Attendant

C Call Duration Circuit Switched Network Codec Common Short Code Administration (CSCA) Conference Bridge

D DID numbers

E Echo Path Delay (EPD) Echo Path Loss (EPL) Emergency notification system Extensible Messaging and Presence Protocol

F Find Me – Follow Me Fax server Full Duplex

G G.711 G.729 General Packet Radio Service Global System for Mobile Communications

I Interactive Voice Response Internet Telephony (IP Telephony)

J Jitter

K Keyword

L Latency Local Number Portability Local Phone Numbers Long Code

M Mobile Oriented (MO) Message Mobile Terminated (MT) Message Multimedia Messaging Service (MMS)

P Phone Tree Plain Old Telephone Service (POTS) Power Dialer Power over Ethernet (PoE) Predictive Dialer Private Branch Exchange (PBX)

Q Quality of Service (QoS)

R Rate Center Registered Jack - 11 Registered Jack - 45 Router

S Session Initiation Protocol or SIP Shared Short Code (Common Short Code) Short Code Short Message Peer-to-Peer or SMPP Messaging Signaling System No. 7 or SS7 Simple Mail Transfer Protocol, SMTP Messaging SIP Phone SMS Gateway Softphone Store and Forward

T Text Marketing Toll-free Phone Numbers Transmission System 1, T-1 Transmission System 3, T-3

U Unicode SMS

V Vanity Short Code Virtual Number Virtual Receptionist Voice Broadcast Voice over Internet Protocol, VoIP