dcerouter*CLI> core show channeltypes
Type        Description                              Devicestate  Indications  Transfer
----------  -----------                              -----------  -----------  --------
SCCP        Skinny Client Control Protocol (SCCP)    yes          yes          yes
Gtalk       Gtalk Channel Driver                     no           yes          no
Local       Local Proxy Channel Driver               yes          yes          no
MGCP        Media Gateway Control Protocol (MGCP)    yes          yes          no
IAX2        Inter Asterisk eXchange Driver (Ver 2)   yes          yes          yes
USTM        UNISTIM Channel Driver                   no           yes          no
Agent       Call Agent Proxy Channel                 yes          yes          no
Jingle      Jingle Channel Driver                    no           yes          no
Phone       Standard Linux Telephony API Driver      no           yes          no
Bridge      Bridge Interaction Channel               no           no           no
DAHDI       DAHDI Telephony Driver w/PRI & SS7       no           yes          no
----------
11 channel drivers registered.