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Limit internal extension to extension dialing custom dialplan
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| ; Restrict extension-to-extension dialing on a PBX, allowing only to dial operator extension (100). | |
| ; NOTE: This code is in early stages, it has not considered the 911 dialing that has become mandatory for the US. | |
| ; See this link for further information: https://wiki.freepbx.org/display/FOP/Set+up+Emergency+Service%28E911%29+calling+requirements | |
| ; | |
| ; Latest version: | |
| ; https://gist.github.com/hgaibor/8fa18e95715fbd78e304101f398c5ab5 | |
| ; | |
| ; | |
| ; Usage: | |
| ; 1. On FreePBX/PBXact GUI, add this to extensions_custom.conf file. This will use the predial hook to validate dialing for each call. | |
| ; | |
| ; 2. Replace 100 extension to whatever extension number you require to be valid for dialing within the PBX. | |
| ; | |
| ; License: GNU GPL2 | |
| ; | |
| ; Version History | |
| ; 2021-03-08 First public commit by hgaibor | |
| ; | |
| [macro-dialout-one-predial-hook] | |
| exten => s,1,GoSub(sub-check-allowed-extension,s,1) | |
| exten => s,n,MacroExit | |
| [macro-dialout-dundi-predial-hook] | |
| exten => s,1,GoSub(sub-check-allowed-extension,s,1) | |
| exten => s,n,MacroExit | |
| [macro-dial-ringall-predial-hook] | |
| exten => s,1,GoSub(sub-check-allowed-extension,s,1) | |
| exten => s,n,MacroExit | |
| [macro-dial-hunt-predial-hook] | |
| exten => s,1,GoSub(sub-check-allowed-extension,s,1) | |
| exten => s,n,MacroExit | |
| [sub-check-allowed-extension] | |
| ; this has not been well tested, more of a framework for future | |
| exten => s,1,NoOp(Entering user defined context sub-check-allowed-extension in extensions_custom.conf) | |
| ;exten => s,n,DumpChan | |
| exten => s,n,NoOp(From Extension: ${FROMEXTEN}) | |
| exten => s,n,NoOp(To Extension: ${EXTTOCALL}) | |
| exten => s,n,GotoIf($["${FROMEXTEN}" = "100"]?AllowRepCall:CheckExt2ExtCall) | |
| exten => s,n(AllowRepCall),Return | |
| exten => s,n(CheckExt2ExtCall),NoOp(Entering user defined context to CheckExt2ExtCall: ${EXTTOCALL}) | |
| ;exten => s,n,GotoIf($["${EXTTOCALL}" != "100"]?DenyRepCall:AllowExtCall) | |
| exten => s,n,GotoIf($["${EXTTOCALL}" != "100"]?CheckExternalDID:AllowExtCall) | |
| exten => s,n(CheckExternalDID),NoOp(This seems like external number?) | |
| exten => s,n,GotoIf($["${LEN(${EXTTOCALL})}" <= "4"]?DenyRepCall:AllowExtCall) | |
| exten => s,n(DenyRepCall),Playtones(busy) | |
| exten => s,n,Busy(10) | |
| exten => s,n,Hangup() | |
| exten => s,n,Return | |
| exten => s,n(AllowExtCall),NoOp(AllowExtCall Allowing call to ext100 : ${EXTTOCALL}) | |
| exten => s,n,Return | |
| ; end context [sub-check-allowed-extension] |
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