sl7*CLI> show channeltypes
Type Description Devicestate Indications Transfer
---------- ----------- ----------- ----------- --------
H323 The NuFone Network's Open H.323 Channel no yes no
Phone Standard Linux Telephony API Driver no yes no
IAX2 Inter Asterisk eXchange Driver (Ver 2) yes yes yes
Agent Call Agent Proxy Channel yes yes no
Console OSS Console Channel Driver no yes no
Skinny Skinny Client Control Protocol (Skinny) no yes no
MGCP Media Gateway Control Protocol (MGCP) yes yes no
Gtalk Gtalk Channel Driver no yes no
Local Local Proxy Channel Driver yes yes no
SIP Session Initiation Protocol (SIP) yes yes yes
----------
10 channel drivers registered.