Transports provide the means for Vumi to send and receive messages from people, usually via a third-party such as a mobile network operator or instant message service provider.

Vumi comes with support for numerous transports built-in. These include SMPP (SMS), SSMI (USSD), SMSSync (SMS over your Android phone), XMPP (Google Chat and Jabber), Twitter, IRC, telnet and numerous SMS and USSD transports for specific mobile network aggregators.