erlang*CLI> module show
Module                         Description                              Use Count
res_ael_share.so               share-able code for AEL                  0
res_odbc.so                    ODBC resource                            0
res_snmp.so                    SNMP [Sub]Agent for Asterisk             0
res_musiconhold.so             Music On Hold Resource                   0
app_authenticate.so            Authentication Application               0
app_cdr.so                     Tell Asterisk to not maintain a CDR for  0
app_chanisavail.so             Check channel availability               0
app_db.so                      Database Access Functions                0
app_dial.so                    Dialing Application                      0
app_disa.so                    DISA (Direct Inward System Access) Appli 0
app_dumpchan.so                Dump Info About The Calling Channel      0
app_echo.so                    Simple Echo Application                  0
app_forkcdr.so                 Fork The CDR into 2 separate entities    0
app_minivm.so                  Mini VoiceMail (A minimal Voicemail e-ma 0
app_playback.so                Sound File Playback Application          0
app_playtones.so               Playtones Application                    0
app_record.so                  Trivial Record Application               0
app_stack.so                   Dialplan subroutines (Gosub, Return, etc 0
cdr_odbc.so                    ODBC CDR Backend                         0
chan_local.so                  Local Proxy Channel (Note: used internal 0
chan_sip.so                    Session Initiation Protocol (SIP)        0
codec_alaw.so                  A-law Coder/Decoder                      0
codec_g722.so                  ITU G.722-64kbps G722 Transcoder         0
format_pcm.so                  Raw/Sun uLaw/ALaw 8KHz (PCM,PCMA,AU), G. 0
format_wav.so                  Microsoft WAV format (8000Hz Signed Line 0
func_callerid.so               Caller ID related dialplan functions     0
func_cdr.so                    Call Detail Record (CDR) dialplan functi 0
func_channel.so                Channel information dialplan functions   0
func_cut.so                    Cut out information from a string        0
func_db.so                     Database (astdb) related dialplan functi 0
func_enum.so                   ENUM related dialplan functions          0
func_env.so                    Environment/filesystem dialplan function 0
func_global.so                 Variable dialplan functions              0
func_odbc.so                   ODBC lookups                             0
func_strings.so                String handling dialplan functions       0
pbx_ael.so                     Asterisk Extension Language Compiler     0
app_read.so                    Read Variable Application                0
37 modules loaded