145 lines
4.1 KiB
Bash
145 lines
4.1 KiB
Bash
#!/bin/sh
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# IVR - Interactive Voice Response Menus.
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ast_add_module voicemenu
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init_voicemenu() {
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ast_enable_type voicemenu
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ast_enable_type voiceoption
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}
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check_append_voicemenu() {
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local context="${1}"
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eval "local isadded=\"\${dialplan_add_voicemenu_${context}-0}\""
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if [ "$isadded" != "1" ] ; then
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eval "dialplan_add_voicemenu_${context}=1"
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append voicemenu_contexts "$context"
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return 0
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else
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return 1
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fi
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}
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voicemenu_list="greeting timeoutlen timeoutsmax invalidmax includelocal localmenu"
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handle_voicemenu() {
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opt_voicemenu_context="$1"
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check_append_voicemenu "${opt_voicemenu_context}"
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option_cb() {
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case "$1" in
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greeting|timeoutlen|timeoutsmax|invalidmax|includelocal|localmenu)
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eval "opt_voicemenu_${opt_voicemenu_context}_$1=\"\$2\"" ;;
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_*) ;;
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*) logerror "Invalid Voicemenu option: $1" ;;
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esac
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}
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}
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voiceoption_list="digit menu dial goto"
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check_add_voiceoption() {
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[ -z "${last_vo_voicemenu}" ] && return 0
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if [ -z "${last_vo_dial}" ] ; then
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append opt_voicemenu_${last_vo_voicemenu}_action "exten => ${last_vo_digit},1,Goto(${last_vo_goto},s,1)" "${N}"
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else
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append opt_voicemenu_${last_vo_voicemenu}_action "exten => ${last_vo_digit},1,Dial(${last_vo_dial})" "${N}"
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fi
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append opt_voicemenu_${last_vo_voicemenu}_menu "${last_vo_menu}" "&"
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for i in ${voiceoption_list} ; do
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eval "unset last_vo_$i"
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done
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}
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handle_voiceoption() {
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opt_voicemenu_context="$1"
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check_add voiceoption
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option_cb() {
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case "$1" in
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voicemenu|digit|menu|dial|goto)
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eval "last_vo_$1=\"\$2\"" ;;
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_*) ;;
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*) logerror "Invalid Voiceoption option in ${opt_voicemenu_context}: $1" ;;
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esac
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}
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}
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createdialplan_voicemenu(){
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logdebug 0 "Creating Voicemenu dialplans"
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[ -z "${voicemenu_contexts}" ] && return 0
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for curvm in ${voicemenu_contexts} ; do
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check_add_context "${curvm}"
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for i in ${voicemenu_list} menu action ; do
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eval "vmc_${i}=\"\${opt_voicemenu_${curvm}_${i}}\""
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done
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[ -z "${vmc_timeoutlen}" ] && vmc_timeoutlen=5
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[ -z "${vmc_timeoutsmax}" ] && vmc_timeoutsmax=3
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[ -z "${vmc_invalidmax}" ] && vmc_invalidmax=0
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# Construct a voicemenu - with as small as possible code.
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local nn=1
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if [ ! -z "${vmc_greeting}" ] ; then
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append_dialplan_context $curvm "exten => s,${nn},Background(${vmc_greeting})"
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nn=n
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fi
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local againtimeout="(againtimeout)"
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if [ ${vmc_invalidmax} -gt 0 ] ; then
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append_dialplan_context $curvm "exten => s,${nn},Set(NUMINVALID=${vmc_invalidmax})"
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nn=n
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fi
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if [ ${vmc_timeoutsmax} -gt 0 ] ; then
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local labagaininvalid="(againinvalid)"
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if [ ${vmc_invalidmax} -le 0 ] ; then
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labagaininvalid=""
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fi
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append_dialplan_context $curvm "exten => s,${nn}${labagaininvalid},Set(NUMTIMEOUTS=${vmc_timeoutsmax})"
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nn=n
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else
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if [ ${vmc_invalidmax} -gt 0 ] ; then
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againtimeout="(againinvalid)"
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else
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againtimeout=
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fi
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fi
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if [ ! -z "${vmc_localmenu}" ] ; then
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append_dialplan_context $curvm "exten => s,${nn}${againtimeout},Background(${vmc_localmenu})"
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nn=n
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againtimeout=
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fi
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if [ ! -z "${vmc_menu}" ] ; then
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append_dialplan_context $curvm "exten => s,${nn}${againtimeout},Background(${vmc_menu})"
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againtimeout=
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nn=n
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fi
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append_dialplan_context $curvm "exten => s,${nn}${againtimeout},WaitExten(${vmc_timeoutlen})
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exten => s,n,Goto(t,1)
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exten => s,n(goodbye),Playback(vm-goodbye)
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exten => s,n,Hangup()"
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if [ ${vmc_timeoutsmax} -gt 0 ] ; then
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append_dialplan_context $curvm "exten => t,1,Set(NUMTIMEOUTS=\$[\${NUMTIMEOUTS} - 1])
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exten => t,n,Gotoif(\$[\${NUMTIMEOUTS} >= 0]?s,againtimeout:s,goodbye)"
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else
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append_dialplan_context $curvm "exten => t,1,Goto(s,goodbye)"
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fi
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append_dialplan_context ${curvm} "${vmc_action}"
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[ -z "${vmc_includelocal}" ] || append_dialplan_context ${curvm} "include => ${vmc_includelocal}"
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if [ ${vmc_invalidmax} -gt 0 ] ; then
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append_dialplan_context $curvm "exten => i,1,Set(NUMINVALID=\$[\${NUMINVALID} - 1])
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exten => i,n,Background(invalid)
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exten => i,n,Gotoif(\$[\${NUMINVALID} >= 0]?s,againinvalid:s,goodbye)"
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else
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append_dialplan_context $curvm "exten => i,1,Background(invalid)${N}exten => i,n,Goto(s,goodbye)"
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fi
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done
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}
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# vim: ts=2 sw=2 noet foldmethod=indent
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