0-9

• 3G (UMTS)
• 5G (Fifth Generation)

A

• ANI (Automatic Number Identification)

G

• GSM (Global System for Mobile Communications)

I

• ISDN (Integrated Services Digital Network)

L

• LTE (Long Term Evolution)

P

• PSTN (Public Switched Telephone Network)

Q

• QoS (Quality of Service)

S

• SIP (Session Initiation Protocol)
• Softphone

V

• VoIP (Voice over IP)