pabx*CLI> show channeltypes
Type Description Devicestate Indications Transfer
---------- ----------- ----------- ----------- --------
Skinny Skinny Client Control Protocol no yes no
MGCP Media Gateway Control Protocol no yes no
Feature Feature Proxy Channel Driver no yes no
Local Local Proxy Channel Driver no yes no
Console OSS Console Channel Driver no yes no
Agent Call Agent Proxy Channel yes yes no
SIP Session Initiation Protocol (S yes yes yes
Phone Standard Linux Telephony API D no no no
IAX2 Inter Asterisk eXchange Driver yes yes yes