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Dialogic 6.2 - page 290

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Ground Start Signaling

November 2009 290

Figure 31 shows how a Brooktrout module processes an incoming

call received over an FXO ground start trunk.

Contents

Main Copyright and Legal Notice Hardware Limited Warranty Page Bfv API Reference Manual Volumes 1 -6 Contents Chapter 1 About this Publication . . . . . . . . . . . . . . . . . . . . . . . . . 16 Chapter 3 Developing Applications Using the Bfv API. . . . . . . . 56 Chapter 4 Debugging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91 Chapter 5 Sample Applications and Utilities . . . . . . . . . . . . . . . 127 Page Chapter 6 Transferring Calls . . . . . . . . . . . . . . . . . . . . . . . . . . . . 176 Chapter 7 Managing Fax and Voice over IP Sessions . . . . . . . 214 Chapter 8 Robbed Bit Signaling . . . . . . . . . . . . . . . . . . . . . . . . . 264 Chapter 9 ISDN Call Processing and Management. . . . . . . . . . 316 Chapter 10 Using the BSMI R2 Signaling Capability. . . . . . . . . 336 Chapter 11 Packaging Your Application for Windows. . . . . . 364 Page About this Publication Introduction Related Documents Operating System Support Manual Conventions Page Terminology Updated Terminology Dialogic Brooktrout TR1034 Fax Board Terminology Page Page Bfv API and Associated Libraries Page Page The Bfv API Functions Administration, Management, and Configuration Administration and Initialization Functions and Macros The BTLINE Structure Page Channel Numbering Firmware Functions and Macros Configuration Functions Configuration Files Module Status and Monitoring Functions Debugging, Error Handling, and Return Values Functions Structures and Return Values Miscellaneous Functions and Macros Call Control Bfv Call Control BSMI-Level Call Control Page Media Processing Signal Generation and Tone Detection Voice Record and Play Fax Functions Page File Format Manipulation Functions Infopkts Page Page Page Page The Infopkt Stream Creating an Infopkt Stream Page Page Figure 3. Creating Infopkt Streams that Transmit Facsimiles Infopkt Structure Speech Infopkt Parameters Fax Infopkt Parameters Page Page Page Developing a Voice Application Recording and Playing Voice Recording Voice 1. Prepare channel 2 to record your message: The command voice invokes the voice.c program, whose arguments include: Playing Back the Voice Message Using Prompt Files Using the mkprompt Utility Creating a New Prompt File Updating an Existing Prompt File Developing a Fax Application Sending and Receiving a Fax Sending a Fax from One Channel to Another Sending a Fax to a Channel from an External Fax Machine Using Bfv API Fax Functions Using High- and Low-Level Functions Page Page Page Page Page Sending a Fax Using Function Calls for Noninfopkt-Formatted Raw G3 Files Page Page Receiving a Fax Using Function Calls for Noninfopkt-Formatted Raw G3 Files Page Sending a Fax Using Calls for TIFF-F Files Receiving a Fax Using Calls for TIFF-F Files Page Receiving and Storing a Fax in MMR or MR Format Page Page Page Page Accessing an Infopkt Stream from an Application Sending a TIFF-F Fax File Within an Infopkt Stream Combining Data on a Single Page Using TIFF-F Fax Files Page Page Accessing a TIFF-F File from an Application Page Determining Fax Status Information from an Application Page 3 - Debugging Bfv API Debug Mode BfvDataFSK BfvLineDumpStructure Dump History Invoking Dump History Page Interpreting the Output Status Header Line Event Logging Lines Event Logging Line Format Timing Information Event Descriptions Parsed Command Information Page Utility Programs for Debugging BSMI Debugging BSMI Message Tracing Running a Layer 2 Trace BSMI Debugging November 2009 102 Figure 5. Level 2 Trace Example Table 2. Trace Report Values Understanding Trace Hexadecimal Strings Interpreting the I Frame Header Interpreting the Message Header Example Byte Example SETUP I Frame General I Frame n - 2 n - 1 as a SETUP; refer to Table 3 on page 106 for possible Q.931 message type values. Figure 7. Message Structures Exampl Byte e Interpreting Information Elements Figure 8. IE Formats p Byte Table 4. Q.931 Information Element Identifiers Page VTTY Tracing Feature VTTY Console Commands VTTY Tracer GUI Setting Output Options Connecting to a Module Page Using the Memory Menu Using the Show Menu Page Call Tracer Command Syntax Arguments Configuration File Format Page Page Page Page Page Page 4 - Sample Applications and Utilities boardmon Page Sample boardmon Output btver connlist csend deact Page debug_control decode dfax divert dlfax dstrip eccllvoice Requires one -p or -r argument. fax faxhl faxll Page Example faxml faxp faxpml feature Page firm firmload Example font ipstrip ivr mkdcx mkinfopk Page mkprompt mktiff modinfo playp rtp Arguments shoparam telreset telsave tfax tiffdump tones transfer Page Examples transferll The following list shows the call control functions used by transfer and transferll. trombone tstrip voice Page voiceraw wave Page Compiling Sample Applications Using Microsoft Developer Studio Project Files Using Brooktrout Files Compiling Sample Applications Using Makefiles Page 5 - Transferring Calls Making Call Transfers Using Bfv Making Call Transfers Using Bfv Figure 10. High-level Call Transfer using Bfv November 2009 178 Making Call Transfers Using Bfv Figure 11. Low-level Call Transfer using Bfv November 2009 179 Making Hookflash Transfers Using Bfv Applications Using BSMI Applications Making Two B-Channel Transfers Page Making Call Transfers Using QSIG ISDN QSIG Supplementary Services Support Page Page Making Call Transfers Using Active Redirection (Japan) Making Explicit Call Transfers (ECT) With E1 ISDN and BRI Page Making Two-Channel Call Transfers (Tromboning) Setting up the Two-Channel Call Transfer Connecting Resources Page Page Actions During a Two-Channel Call Transfer Performing Echo Cancellation Page Page Playing Back Voice Recordings Page Terminating the Two-Channel Call Transfer Disconnecting Resources Page Transferring Calls Using Release Link Trunk T ransfer Using Bfv Applications Using BSMI Applications Call Control Sequence Diagrams Non-RLT Call Transfer RLT Call Transfer Page Sample Application The following code fragments show the relevant BSMI control messages used in RLT transfer. Page Page Placing Calls on Hold Using BSMI Example 1 Example 2 For more information on L4L3mUNIVERSAL and L3L4mUNIVERSAL, see Volume 5, Bfv API Reference Manual. Page Page 6 - Managing Fax and Voice over IP Sessions Managing Calls Using IP Telephony Adding IP Call Control using the Bfv API Outgoing IP Calls Your application manages outgoing calls if it performs the following: See Sample IN VITE Requ est on page 222 for more information about using Bfv function calls. Incoming IP Calls Understanding SIP Functionality Using a SIP Proxy Server Verifying Dialed Strings Page Page Sample INVITE Request The following sample uses the Bfv API to send the INVITE request. Page Page Call Progress Values Understanding H.323 Functionality Using H.323 Address Forms or Page Failover Based on Telephony Cause Codes Overview Common Failures Page Failover Scenarios Known Failures From Various Gateways H.323 and SIP Page Page SIP to Q.931 Conversion Page Processing Media Using the T.38 Protocol Page Page Sending and Receiving Faxes Configuring T.38, RTP and IP Call Control Activities Troubleshooting Understanding the SIP Protocol Introduction to the SIP Protocol Overview of SIP Functionality Page Overview of Operation Page Page Page Page Page Page Page Page Using Third Party IP Stacks Page Components Configuration Disable ECC Component SR140 Software-Based Integration - Linux TR1034 Board-Based Integration - Linux Call Negotiation Inbound Call Page Outbound Call 7 - Robbed Bit Signaling General Information Page Page Page Timer Definitions Page Page Page Page Page Page Timing Diagrams Wink Start & Delay Dial Signaling Incoming Call Processing Wink Start & Delay Dial Signaling Figure 25. Wink Start and Delay Dial Incoming Call Timing TRANSMITTED RECEIVED November 2009 278 Revised 20-Oct-03 Rev 1.4 Outgoing Call Processing Page Wink Start with Feature Group B & D Incoming Call Processing Page Outgoing Call Processing Page Immediate Start/Fixed Pause Signaling Incoming Call Processing (Immediate Start) Page Outgoing Call Processing (Fixed Pause Mode) Page Ground Start Signaling FXO Ground Start Page Figure 31. FXO Ground Start Incoming Call Timing Diagram RECEIVED BITS, TRANSMITTED Revised 20-Oct-03 Rev 1.4 Page Page Page Page FXS Ground Start Figure 35. FXS Ground Start Incoming Call Timing Diagram Revised TRANSMITTED RECEIVED BITS, Page Figure 36. FXS Ground Start Outgoing Call Timing Diagram Revised RECEIVED TRANSMITTED Figure 37. FXS Ground Start - Incoming Clear Timing Diagram Revised RECEIVED BITS, TRANSMITTED Page Loop Start Signaling FXO Loop Start Page Figure 39. FXO Loop Start Incoming Call Timing Diagram Revised RECEIVED BITS, TRANSMITTED Figure 40. FXO Loop Start Outgoing Call Timing Diagram Revised RECEIVED BITS, TRANSMITTED Figure 41. FXO Loop Start Outgoing Clear Timing Diagram Revised RECEIVED BITS, TRANSMITTED Figure 42. FXO Loop Start Incoming Clear Timing Diagram Revised RECEIVED BITS, TRANSMITTED FXS Loop Start Page Figure 43. FXS Loop Start Incoming Call Timing Diagram Revised RECEIVED BITS, TRANSMITTED Figure 44. FXS Loop Start Outgoing Call Timing Diagram Revised RECEIVED BITS, TRANSMITTED Figure 45. FXS Loop Start Outgoing Clear Timing Diagram Revised TRANSMITTED RECEIVED BITS, Page Page 8 - ISDN Call Processing and Management Page ISDN Call Processing Overview Making an ISDN Incoming Call Page Network Module Host Making an ISDN Outgoing Call Page ISDN Overlapped Dialing ISDN Call Clearing - Initiated by Module Page ISDN Call Clearing - Initiated by Network Page Translating Q.931 to Simple Message Interface Using the overlap_rcv feature of L4L3mENABLE_PROTOCOL What is Overlap Receive? BSMI Reference Notes How Overlap Receive Mode Changes Call Control Events Presentation Using the overlap_rcv feature of L4L3mENABLE_PROTOCOL November 2009 331 Network Brooktrout Controller Host Q.921/Q.931 Timers Table 15. Q.921 Timers (Level 2 Parameters) (Continued) Table 16. Q.931 Timers (Level 3 Parameters) Page Page 9 - Using the BSMI R2 Signaling Capability CPE Signaling Model Table 17. Line Signaling Model Page Page Page Enabling the R2 Protocol Page Table 18. R2 Digital Line Signaling Parameters (Continued) Table 19. R2 MFC Inter-register Signaling Parameters Table 19. R2 MFC Inter-register Signaling Parameters (Continued) Page Page Protocol Parameter Mechanics Forward Channel Backward Channel Page Page Page Table 24. IISDN_CPGEN_MF_PARAMS (Continued) R2 Call Control Outbound Call Setup Page Page Inbound Call Setup Page Call Tear Down Page Channel Blocking 10 - Packaging Your Application for Windows Windows Server 64 bit Package Options Installation Installing Modules Installing Virtual Modules (SR140) Installing Software Installing the Brooktrout SDK Options for Spawning MSI Page Page Page Page Registry Entries Shortcuts Reboot Options Page Configurable Brooktrout SDK Installation Options About the Merge Module Feature Dynamically Linked DLLs (dynamic_dlls.msm) Dynamically Linked 64-bit DLLs (dynamic_dlls_x64.msm) Configuration and Protocol Files (configdata.msm) Firmware (firmware.msm) Configuration Tool (configtool.msm) TECUpdate (TECUpdate.msm) License Manager (softwarelicense.msm) Utility Programs (utilities.msm) Boston Host Service (bostsrv.msm) Installing the Merge Module Feature Integrating the Modules Page Examples Page Page About Plug and Play Components Plug and Play Installation Scenarios About Plug and Play Components November 2009 393 About Plug and Play Components November 2009 394 Structure of the Brooktrout PnP Folder About the INF File About the Dialogic Brooktrout Plug and Play Co-Installer Displaying the Found New Hardware Page Should You Launch the Configuration Tool When Should You Launch the Configuration Tool About the Device Property Page Page Modifying Configuration Files User-Defined Configuration File (btcall.cfg) Call Control (callctrl.cfg) Configuration File Including the Brooktrout Configuration Tool Downloading Firmware Files Removing Software Removing the Plug and Play Driver For Earlier Versions (Prior to 5.2) For Version 5.2 Page Appendix A G3 Legacy Utilities Page ASCII to Fax Conversion Utility (asctog3) Cut and Paste Utilities Cut Utility (g3chop) Paste Utility (g3combin) Epson to Fax Conversion Utility (epstog3) Where: Page Fax Display and Edit Utility: Supershow (ss) Page G3 Conversion Utility (g3cvt) For example: converts a fax file from MMR format to MH format. Print Utility (p) Prints the fax file to any one of several printers. Where: Page Page Appendix B Recompiling On Linux Platforms Page Page Page Glossary Page Page Page Index A B C D E F G H I K L M N O P Q R S T U V W

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