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Call Processing Messages

Table 8-1 shows the API messages related to DSP resources.

Table 7-1 DSP-Related API Messages

Category | Message | Description
--- | --- | ---
File Playback | Play File Start 0x011B Play File Stop 0x011D Play File Modify 0x011C | Use these messages to start, stop, or modify the playing of a file.
| Recorded Announcement Connect 0x0055 | If you have DSP-ONE cards in your system, you can use this message to connect to a recorded announcement on the DSP Series 2 card (only RAN IDs below 4096), however, the enhanced functionality of the DSP Series 2 card will not be available. Announcements must be accessible via NFS.
DSP Services | DSP Service Request 0x00BD DSP Service Cancel 0x00BE | Use these messages to allocate or cancel a DSP service on channel.
Tones | Call Progress Analysis Result 0x0034 | The CSP sends this message to report the result of Call Progress Analysis on a channel. Only one result is reported per message.
| Connect Tone Pattern 0x002F | Use this message to transmit a call progress pattern ID to the specified channel. In order for the host to be notified when tone transmission has stopped, it must set the Generate Event Flag field of this message.
| Disconnect Tone Pattern 0x001E | Use this message to terminate call progress tone transmission on the specified channel.
Conferencing | Resource Create 0x0124 | Use this message to create a conference.
Resource Delete 0x0126 | Use this message to delete a conference.
Resource Modify 0x0125 | Use this message to change the options or features of an existing conference.
Resource Delete Indication 0x0129 | The CSP sends this message to the host after a conference is deleted.
Resource Connect 0x0127 | Use this message to add a channel to a conference which has already been created.
Connect One-Way To Conference 0x004F | Use this message to establish a one-way (listen only) connection between the channel specified and the previously created conference specified.
| Resource Disconnect 0x0128 | Use this message to remove a channel from a conference.
General | Alarm 0x00B9 | This message is sent by the CSP to indicate alarm conditions on the DSP Series 2 card. See DSP Alarms in the DSP Series 2 Card Product Description chapter for more information.
Card Status Report 0x00A6 | This message is sent by the EXS platform to report the number of DSP modules and their function types configured on the DSP card.

Digital Signal Processor
See Recorded Announcements.
Message delimiter (SS7 bit pattern - 01111110)