Similar to IPマルチメディアサブシステム

T.37

T.38

Common Object Request Broker Architecture

DECnet

IEEE 802.11

IEEE 802.20

Wi-Fi Protected Access

Wireless Multimedia Extensions

Rich Communication Services

VoIP phone

Analog telephone adapter

Internet fax

IP PBX

Matrix (protocol)

Next-generation network

Talkatone

Voice phishing

Communication protocol

3G-324M

9P (protocol)

ActivityPub