Related terms:
sip
pbx
mnp
tdm
rtp
qos
fax
voip
isdn
wifi
pots
skype
jitter
trunks
dialing
over ip
voice mail
signalling
packet loss
interconnect
voice over ip
isdn user part
interconnection
circuit switched
service provider
telephone company
telephone exchange
ip multimedia subsystem
session initiation protocol
public switched telephone network
Wikipedia sources:
T.38
H.323
Voice over Internet Protocol
Public switched telephone network
Modem
Fring
Routing
IP Phone
Caller ID
Burglar alarm
IP Multimedia Subsystem
Cable modem
Asterisk (PBX)
Private branch exchange
Signaling System 7
Computer networking
Communications protocol
Time-division multiplexing
Comparison of VoIP software
Context for words:
pstn
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