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Accessing SMDI information in the dialplan.

There are two dialplan functions that can be used to access the details of
incoming SMDI messages.

Syntax
Synopsis

Retrieve an SMDI message.

Description

This function is used to retrieve an incoming SMDI message. It returns an ID which can be used with the SMDI_MSG() function to access details of the message. Note that this is a destructive function in the sense that once an SMDI message is retrieved using this function, it is no longer in the global SMDI message queue, and can not be accessed by any other Asterisk channels. The timeout for this function is optional, and the default is 3 seconds. When providing a timeout, it should be in milliseconds. The default search is done on the forwarding station ID. However, if you set one of the search key options in the options field, you can change this behavior.

Options
  • t - Instead of searching on the forwarding station, search on the message desk terminal.
  • n - Instead of searching on the forwarding station, search on the message desk number.
Syntax
Synopsis

Retrieve details about an SMDI message.

Description

This function is used to access details of an SMDI message that was pulled from the incoming SMDI message queue using the SMDI_MSG_RETRIEVE() function. Valid message components are:

  • station - The forwarding station
  • callerid - The callerID of the calling party that was forwarded
  • type - The call type. The value here is the exact character that came in on the SMDI link. Typically, example values are: D - Direct Calls, A - Forward All Calls, B - Forward Busy Calls, N - Forward No Answer Calls

Here is an example of how to use these functions:

Ensuring complete MWI information over SMDI

Another change has been made to ensure that MWI state is properly propagated over the SMDI link. This replaces the use of externnotify=smdi for voicemail.conf. The issue is that we have to poll mailboxes occasionally for changes that were made using an IMAP client. So, this ability was added to res_smdi. To configure this, there is a new section in smdi.conf. It looks like this:

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