Digital PBX Adaptor – DPA
The digital PBX Adapter (DPA) voice mail gateways are designed to allow integration of Octel voice mail solutions with Call Manager. DPA uses SCCP to communicate with the Call Manager. It converst...
read moreSMDI Error Messages
SMDI error messages are sent using the following format: <CR><LF>MWI “stn-num”!<0X20>”error-code”<CR><LF><^Y> The error code will be one...
read moreSMDI Messages for MWI On/Off
Here are the format of SMDI messages used with MWI On/Off : MWI On OP:MWI<0X20>”stn-num”!<^D> OP is used to indicate that MWI should be turned on for the specified station...
read moreSMDI Messages for Direct and Forwarded Calls
As expalined in the previous post, SMDI messages are a set of ASCII characters and symbols so we can easily understand the structure of the messages. Direct Calls <CR><LF> MD...
read moreRS-232 integration with SMDI
SMDI can be used over RS-232 to connect a PBX to a voice mail system. SMDI is an out-of-band signaling which necessitates voice and signaling information being carried on separate paths. The...
read more