Unity Connection 2 01 Miu Architectural Overview TOI

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Unity Connection 2. 0(1) Miu Architectural Overview TOI June 10, 2007 Mike Begeman mbegeman@cisco.

Unity Connection 2. 0(1) Miu Architectural Overview TOI June 10, 2007 Mike Begeman mbegeman@cisco. com © 2003, Cisco Systems, Inc. All rights reserved. Proprietary and Confidential 1

Overview • Design Changes • New Feature • Troubleshooting Tips Presentation_ID © 2003, Cisco

Overview • Design Changes • New Feature • Troubleshooting Tips Presentation_ID © 2003, Cisco Systems, Inc. All rights reserved. Proprietary and Confidential 2

Design Changes • • • Removal of Windows-specific components. No more TSP for SCCP

Design Changes • • • Removal of Windows-specific components. No more TSP for SCCP call control!!! Miu is one monolithic shared library. Software Audio driver (Cu. Mixer). New versions of Nuance Text-To-Speech (TTS) and Automatic Speech Recognition (ASR) engines. • Voice ports no longer use dedicated threads, use thread pooling technique. Presentation_ID © 2003, Cisco Systems, Inc. All rights reserved. Proprietary and Confidential 3

Design Changes, Old Architecture Presentation_ID © 2003, Cisco Systems, Inc. All rights reserved. Proprietary

Design Changes, Old Architecture Presentation_ID © 2003, Cisco Systems, Inc. All rights reserved. Proprietary and Confidential 4

Design Changes, New Architecture Presentation_ID © 2003, Cisco Systems, Inc. All rights reserved. Proprietary

Design Changes, New Architecture Presentation_ID © 2003, Cisco Systems, Inc. All rights reserved. Proprietary and Confidential 5

Design Changes No more TSP!!! Monolithic Miu Design • Previous versions, Unity and Unity

Design Changes No more TSP!!! Monolithic Miu Design • Previous versions, Unity and Unity Connection shared a common TSP and audio driver for SCCP. • With CUC 2. 0(1), TSP has been rolled into Miu. We now have separate protocol stacks between Unity and Unity Connection. • Both products still support SCCP version 8. • For SCCP Engineering Specials, requires new Cs. Miu. Svr. so library (previously, released new TSP). Presentation_ID © 2003, Cisco Systems, Inc. All rights reserved. Proprietary and Confidential 6

Design Changes New Audio driver, Cu. Mixer • replaces Av. Audio. sys, Windows kernel-mode

Design Changes New Audio driver, Cu. Mixer • replaces Av. Audio. sys, Windows kernel-mode audio driver. • Runs as a separate process, communicates with Miu via System V message queue (IPC). • Runs in user-mode, shares same code base as Meeting. Place Express. • see Mixer TOI for more details. Threading model change • Previous versions, 4 threads per voice port. CUC 2. 0(1) uses a thread pool model. Presentation_ID © 2003, Cisco Systems, Inc. All rights reserved. Proprietary and Confidential 7

Design Changes New versions of TTS and ASR Engines • Linux versions of TTS

Design Changes New versions of TTS and ASR Engines • Linux versions of TTS and ASR. • TTS no longer stand-alone exe; Statically linked to Cu. Mixer. • ASR Engine is separate process. Miu communicates via RTSP/MRCPv 1 (same as previous versions). Presentation_ID © 2003, Cisco Systems, Inc. All rights reserved. Proprietary and Confidential 8

New Feature Not too much new feature added, but… • Configurable Qo. S for

New Feature Not too much new feature added, but… • Configurable Qo. S for call control and media. Part of D&I system initiatives. • Volume control on message playback. • Support for G. 711 A-law codec. Presentation_ID © 2003, Cisco Systems, Inc. All rights reserved. Proprietary and Confidential 9

Troubleshooting • Check Telephony Configuration tool. • Port Monitor tool. • Alarms. • Miu

Troubleshooting • Check Telephony Configuration tool. • Port Monitor tool. • Alarms. • Miu traces. Presentation_ID © 2003, Cisco Systems, Inc. All rights reserved. Proprietary and Confidential 10

Troubleshooting Check Telephony Configuration Task • Run from any CUCA “Telephony Integration” page, “Related

Troubleshooting Check Telephony Configuration Task • Run from any CUCA “Telephony Integration” page, “Related Links” drop down (upper right of page). • Also runs automatically via CUCA “Task Management, Tools”. • Checks for inconsistencies in telephonyrelated database settings. Presentation_ID © 2003, Cisco Systems, Inc. All rights reserved. Proprietary and Confidential 11

Troubleshooting Port Monitor • Can monitor Conversation state on the voice port. • RTMT,

Troubleshooting Port Monitor • Can monitor Conversation state on the voice port. • RTMT, Port Monitor tool. • CUCA, under “Telephony Integration, Port Status”. (only 1 port at a time). Presentation_ID © 2003, Cisco Systems, Inc. All rights reserved. Proprietary and Confidential 12

Troubleshooting Alarms • Direct mapping for CUC 1. 2 event log. • RTMT, syslog.

Troubleshooting Alarms • Direct mapping for CUC 1. 2 event log. • RTMT, syslog. • Important alarms include port lockups, broken UCM connection, software exceptions. Presentation_ID © 2003, Cisco Systems, Inc. All rights reserved. Proprietary and Confidential 13

Troubleshooting Traces, Miu Call Control and Media • Turn on via “Trace, Macro Traces”.

Troubleshooting Traces, Miu Call Control and Media • Turn on via “Trace, Macro Traces”. • Call Control, for SIP systems and for SCCP systems. • Media (Wave). Turns on both Miu and Cu. Mixer traces. • In general, turn on all of the above to troubleshoot call related issues. • Digit traces. For security reasons, CUC blocks the logging of PIN digits by default. You can override this behavior via “Micro, Miu. General, All Digits” trace. Presentation_ID © 2003, Cisco Systems, Inc. All rights reserved. Proprietary and Confidential 14

References • Miu FDS http: //wwwin-eng. cisco. com/cgibin/edcs_info? EDCS-526458 • Unity Connection Architecture Overview

References • Miu FDS http: //wwwin-eng. cisco. com/cgibin/edcs_info? EDCS-526458 • Unity Connection Architecture Overview http: //wwwin-eng. cisco. com/cgibin/edcs_info? EDCS-489819 Presentation_ID © 2003, Cisco Systems, Inc. All rights reserved. Proprietary and Confidential 15

Presentation_ID © 2001, Cisco Systems, © Inc. 2003, All rights Ciscoreserved. Systems, Inc. All

Presentation_ID © 2001, Cisco Systems, © Inc. 2003, All rights Ciscoreserved. Systems, Inc. All rights reserved. Proprietary and Confidential 16

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