Glossary

As in most industries, the Service Telephony and Mobile Services sector uses a wide range of specialist terms. In order to facilitate a better and easier understanding of the subject matter, atms has compiled a glossary with brief explanations of the most important terms.

 

ACD (Automatic Call Distribution)

Black- und White-Lists

CTI (Computer Telephone Integration)

DDI (Direct Dialling In)

DTMF (Dual Tone Multi-Frequency)

Flatrate

Free Call

Intelligentes Netz (IN)

IP-Telefonie

IVR (Interactive Voice Response)

MMS

MO (= mobile originated)

MSISDN

MT (= mobile terminated)

Number Portability

Offline Billing

Online Billing

Routing

Service Call

Service Number

SIP

SMS

T9

Target Number

ValueCall

Vanity-Nummern