Manual

Contents
When using a Hardware Load Balancer in front of OCS ............................................................... 67
OCS rejects Cisco VCS zone alive OPTIONS checks with ‘401 Unauthorized’ and INFO messages
with ‘400 Missing Correct Via Header'................................................................................................... 67
MOC stays in ‘Connecting …’ state....................................................................................................... 67
No audio on audio call through an ISDN gateway ................................................................................ 67
No video through an ISDN gateway...................................................................................................... 68
Call to PSTN or other device requiring caller to be authorized fails with 404 not found....................... 68
MOC endpoints try to register with Cisco VCS Expressway................................................................. 68
OCS Relay problems............................................................................................................................. 68
OCS Relay FindMe™ users take a long time to register. .............................................................. 68
OCS Relay FindMe™ users fail to register. ................................................................................... 69
Troubleshooting OCS Relay........................................................................................................... 69
OCS problems....................................................................................................................................... 69
OCS running on Microsoft Server 2008 R2.................................................................................... 69
OCS stops running after an upgrade ............................................................................................. 69
Problems with certificates............................................................................................................... 69
Appendix 2 – Known interoperating capabilities ..............................................................70
SIP and H.323 endpoints making basic calls ........................................................................................ 70
Upspeeding from a voice call to a video call ......................................................................................... 70
Multiway™ generation of ad hoc conferences ......................................................................................70
Cisco VCS Cluster and OCS Relay....................................................................................................... 70
Appendix 3 – Benefits of using Cisco VCS with OCS.......................................................71
Separate management of video systems and PC based systems........................................................ 71
Cisco VCS brings H.323 integration to OCS......................................................................................... 71
Duo Video.............................................................................................................................................. 71
Bandwidth management........................................................................................................................ 71
FindMe™ ............................................................................................................................................... 71
Appendix 4 – Known interoperating limitations................................................................72
Video codecs......................................................................................................................................... 72
Video codec selection............................................................................................................................ 72
Joining a MOC conference (AV MCU) .................................................................................................. 72
Up-speeding from a voice call to a video call........................................................................................ 72
MOC accessing OCS through Microsoft Edge Server .......................................................................... 72
Microsoft Mediation Server.................................................................................................................... 73
Using OCS R1................................................................................................................................ 73
Using OCS R2................................................................................................................................ 73
Cisco VCS Cluster without OCS Relay ................................................................................................. 73
No audio on audio call through an ISDN gateway ................................................................................ 73
No video through an ISDN gateway...................................................................................................... 73
MOC receives no video if it holds and then resumes a call .................................................................. 73
DTMF..................................................................................................................................................... 74
Microsoft Server .................................................................................................................................... 74
Call forward from MOC to a Cisco VCS FindMe™ or endpoint results in a ‘loop detected’ call........... 74
FindMe™ Caller ID set to FindMeID causes calls from MOC to fail ..................................................... 74
Appendix 5 – Advanced parameters set by selecting zone profile ‘Microsoft Office
Communications Server 2007’...................................................................................75
Appendix 6 – Setting default codecs for H.323 to SIP calls.............................................76
Codecs to be offered ............................................................................................................................. 76
Cisco VCS Deployment Guide: Microsoft OCS 2007 R1 and R2 and Cisco VCS X5.2 Page 4 of 92