Unity Connection Video
Greetings Feature TOI
10.0(1)
EDCS-1279430
August 06, 2013
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reserved
Cisco Confidential
1
Notice
The information in this presentation is provided under NonDisclosure agreement and should be treated as Cisco
Confidential. Under no circumstances is this information to be
shared further without the express consent of Cisco.
Any roadmap item is subject to change at the sole discretion of
Cisco, and Cisco will have no liability for delay in the delivery
or failure to deliver any of the products or features set forth in
this document.
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 Introduction
 What’s new
 How it works
 Network Topology
 Flow Diagram
 System Requirements
 Supported Endpoints
 Configuration
 Limitations
 Troubleshooting Tips
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Cisco Unity Connection 10.0(1) (Connection) is a feature-rich voice messaging
platform which now provides the immersive experience of Video Greetings.
Users will now be able to record and playback Video Greetings via the Telephony
User Interface(TUI).
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• Users can record video greetings through the TUI (touchtone
conversation)
• Users can configure, play and re-record a Video for every type of
available greetings : Standard, Alternate, Internal, Busy, Holiday and
Closed (*except Error greeting)
• Callers (Internal or External) can now see recorded Video greetings of
the called users when calling from a CUCM integrated video enabled
Cisco endpoint**.
• In a Video Call, an image will be streamed towards the end point
whenever Connection is playing any Audio only content.
• During the recording of greetings, an Image will be streamed towards
the endpoint and a PIP (Picture-in-Picture) window is displayed to the
caller.
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• Connection integrates with Cisco MediaSense(MS), a media recording
platform, which records video greetings for the user(s).
• Connection nodes and MediaSense should reside within the specified
limit of latency.*
• Connection supports Video greetings only over SIP Integration with
CUCM. SCCP integration is not supported.
• Connection Supports following codecs in a Video call:
For Video: H.264 (Base Profile: 420014)
For Audio: G.711ulaw
• The default value of Differentiated Services Code Point (DSCP) for the
RTP (Video) connection is 46. Restart the Connection Conversation
Manager for the changes to take effect.
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• For a Video call to be established, Video capabilities of the EndPoint
should be enabled on Cisco Unified Communications Manager.
• For a Video call to be established, Connection performs a series of
checks to confirm if the user(s) are capable and configured for Video
capabilities or not.
• Connection communicates over http(s) (Control Protocol) with Cisco
MediaSense to start and stop the record/playback of video greetings
with http(s) timeout of 4 sec. In case of timeout or failure during mid call,
Connection downgrades the call to audio.
• With Connection acting as RTP(Streaming Protocol) Proxy, Video/Audio
packets of video file are streamed from End point to MS or vice versa.
• Audio of all greetings (either from Video Greeting or Audio only greeting)
is always stored on and accessible from the Connection server.
• Video Greetings, the Audio and Video combined content, is only stored
on MediaSense server.
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• Connection keeps the audio copy of the Video Greeting in its file system
to be played in audio-only calls .
• In a Video call, when connection plays an Audio-only stream to the end
user, an image is streamed from MS to provide Video experience.
• The image to be streamed will be configurable at MS. Please refer MS
TOI for details.
• When User records a Video Recording, both Audio and Video Greeting
of the user gets modified i.e. the Video Recording is saved as the
User’s Video Greeting and the Audio part of the Video Recording is
saved as User’s Audio Greeting . "My Personal Recording" on both
'Callers See' and 'Callers Hear' section for this greeting on User's
Greeting page of CUCA and CPCA will be checked.
• When User records an Audio Greeting, his current audio greeting will be
replaced with the new Audio Recording. 'My Personal Recording' will be
checked on 'Callers Hear' Section and 'My Personal Recording' will be
unchecked on 'Callers See' Section of Greetings page on CUCA and
CPCA.
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• In an RNA call if user is configured to record a message then the call will
be downgraded to Audio once Video Greeting is streamed completely.
This is done to optimize resources .
• In order to delete the orphan Videos from MS, a SysAgent task “Clean
Orphan Video Recordings” has been created in Connection. This task
sends the delete request to MS for deletion of the Video files and
removes the orphan Video Session IDs from Database.
• Once the call gets established as Audio, the respective call can’t be
upgraded to Video.
• Only Attempt Sign-In, Sub Sign-In , Attempt Forward conversations are
Video capable.
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The following is the behavior in cases of transfers between
Connection servers:
• Cross Box Transfers
In case of Supervise Transfers, Video call will remain Video if answered
and call will be downgraded to Audio if forwarded to connection.
In case of Release To Switch Transfers, Video call will remain Video* as
new call is initiated in case to release to Switch
• Cross Box Logins: Video call will be downgraded to Audio.
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Cisco Unity Connection (10.0)
Call manager
SIP
HTTPS
RTP
RTP
SIP/SCCP
Cisco MediaSense
Primary
Data Path
Video Phones
Jabber Client
CUVA
Control Path
Video End Points
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EndPoint/CUCM
Connection
MediaSense
Successful Sign-In - JSESSIONID is populated on CUC and MS.
All requests carry JSESSION ID and are entertained by MS
signIn (username/password)
2000 (JSessionID)
getMediaCapabilities (KeepAlive)
System level
KeepAlive
Messages sent
periodically
2000 (capabilities)
New Incoming Call from
Endpoint via CUCM
INVITE with Video in SDP (Early Offer)
100 Trying
180 Ringing
Connection checks if Video call
should be established or not*
Start (capabilities,)
200 Ok with SDP [Video Send]
ACK
2000 (capabilities, dialogGuid)
Updatemediacapabilities(capabilities, requestid, dialoguid)
2000
Connection is ready to receive RTP
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Connection
EndPoint/CUCM
During the playback of Audio Content,
Connection requests MS to play Image.
MediaSense
Image
Playback
startMediaPlayback,(mediatitle,requestid, dialoguid)
2000
RTP (Audio Content)
RTP ( Image Content)
On Video Playback/End call
Call level
KeepAlive sent
periodically
during the call
Video Playback during the
Video call
2000
KeepAlive( RequestId, dialoguid)
2000
startSessionPlayback,(sessionid, requestid, dialoguid)
RTP (Video Content)
Events
received
from MS.
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stopPlayback,(targetrequestid,requesttid, dialoguid)
Video
Playback
2000
On playback Completion, MS
sends notification to
Connection*
Playback_Stopped(sessionid,targetrequestid, dialoguid)
2000
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Connection
EndPoint/CUCM
User presses relevant key
for Video Record
MediaSense
To enable PIP
window on
Phone Screen
INVITE with Video in SDP (For Video SendRecv)
100 Trying
180 Ringing
200 Ok with SDP
ACK
startRecord,(requestid, dialoguid)
2000 (SessionID)
Multiple INFO
msgs sent to
collect Iframe
from EP.
INFO
200 OK
Video file Name
shared by MS in
response .
RTP ( Image Content)
RTP ( Video Content)
stopRecord,(targetrequestid, requestid, dialoguid)
2000
To disable PIP
User presses relevant key
to stop Record
window on
Phone Screen
[Re-Invite] is sent with Video as SendOnly.
Image Playback is stopped.
Hang-Up
BYE
200 OK
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end(requestid, dialoguid)
2000
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• Size – Cisco Unity Connection 20,000 users OVA
• vCPU – 7
• RAM – 8GB
• HD – 2 X 300 GB, 2 X 500 GB
• Ports – 250
• CPU (MHz) –
• For Xeon 5600 and 7500 processors - minimum of 2.53 GHz each
(10.12 GHz reserved)
• For Xeon E7 processors - minimum of 2.4 GHz each (9.6 GHz
reserved)
• x
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Please refer to ‘Deployment: Primary/Secondary node 7 vCPU’ in the
following link:
http://ccbu-wiki.cisco.com/display/ORA/VM+Templates
Supported Version of MediaSense: 10.0
Note:
Unity Connection Video Greeting feature needs a dedicated MediaSense
server. The MS server cannot be shared for any other MS features like
VoH, Call recording etc
Currently only Single MS Node is supported.
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Connection will support Video over 69XX, 79XX series phones with CUVA,
89XX and 99XX series phones and Jabber.
Following is the list of EPs and their firmware on which Video has been
tested so far:
• 9951, 9971 beginning with firmware Sip9951.9-3-2-10
• 8945 series beginning with firmware: SCCP 9.3.4.9
• 7945 (version: SCCP4.5.9-3-1SR2-1S or higher )with CUVA (version
2.3.1.0 or higher)
• 6921, 6941, 6945
• Jabber Client (version 9.2.1 or higher) on MAC
• Jabber Client (version 9.2.2 or higher) on Windows
Testing with End-Points is still ongoing. The list will be updated .
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• Create SIP Trunk at CUCM
http://www.cisco.com/en/US/docs/voice_ip_comm/connection/8x/integration/guide/
cucm_sip/cucintcucmsip060.pdf
• Create a voice mail pilot and voice mail profile.
For Voice Mail Pilot: Go to Advance Features-> VoiceMail->Voice Mail Pilot. Enter
the pilot number (Here, Please use the same extension as the route pattern
added for the respective SIP trunk)
For Voice Mail Profile: Go to Advance Features->VoiceMail->Voice Mail
Profile. Use the pilot number created above.
• For all the users for whom Video Greeting is to be enabled:
Enable the Video Capabilities on the phone: Device -> Phone -> Select your
phone -> Enable “Cisco Camera” and “video capabilities”.
Enter the Voice Mail Profile on the phone: Device->Phone->Directory Settings->
Select the SIP Voicemail profile created above. Save and Restart the phone.
NOTE:- Supported Versions of CUCM: 8.5 onwards*
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Step 1
Integrate Unity
Connection with
MediaSense.
Step 2
Create Video
Service Accounts
for Connection
Users.
Step 3
Enable Video
Capabilities on
Class Of Service
Page.
Bulk-Edit Tool and BAT tool can be used to configure users for video
capabilities.
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Pre Requisites
• Certificate Management:
Add the MS certificates in the Connection tomcat-trust store. MS
root certificate is mandatory certificate to be uploaded on
Connection for establishing Video call.
If self-signed certs are not used then at least root certificate is
needed for third party signed certificate.
Any one out of self-signed or third party certificate can be
used at a time. This option is configurable on VideoServices page.
The Certificate can be uploaded on Connection OS Administration
page under Security>Certificate Management tab.
• The login credentials of MS used on Connection CUCA page are same
as the credentials of API User on MS. Please refer the MS TOI for more
details on the same.
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Video Service represents the details of the Video server with which Unity
Connection will be integrated to perform Video related Operations. To
Configure it:
Go to Video -> Video Services -> Add New
Note: Only one Video Service can be added in this release.
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• Please fill all the mandatory fields on the ‘Video Service Page’.
• Click on Test Button and verify that everything is working fine.
• Save the page.
Connection
cluster
independent
limit.*
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• Go to users -> Edit -> Video services Accounts -> Add New
• Add the Video Server and Check “Map Video Service” box. Save the
page.
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• Enable Video under COS and Save.
• Assign this COS to user.
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Test buttons are added on CUCA in order to perform quick tests to check the video
configuration.
Test buttons/Icons are available at:
- On Video Services Page
- On Video Services Accounts Page
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When user hits the Test button on Video Services page, following set of
events take place:
1. Checks whether Connection is able to ping the MediaSense Server.
2. If the MediaSense is UP and running, then “signIn” API is sent to
authenticate username and password of MediaSense.
3. It also validates the Self-signed/Third-party certificates used with
MediaSense Server.
4. After the authentication is successful, “getMediaCapibilities” API is sent
to display the codecs supported in Video calls with MediaSense.
Note: In case a chain of Certificates is configured on MediaSense, the test
button will show Success in case, any of the certificate from the chain is
added in the tomcat-trust on Connection.
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When user hits the Test Icon of Video Services Account Page :
Along with the checks executed in Test button on Video Services
Page, following additional checks take place:
1. Checks whether Video Service is enabled on Cisco Unity Connection or
not.
2. Checks whether “Allow Users to Playback and Record Video
Greetings” or “Allow Outside Callers" option is enabled in the User's
Class of Service page.
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• Unity Connection Video Greeting feature needs a dedicated
MediaSense server. The MS server cannot be shared for any other MS
features like VoH, Call recording etc.
• Video feature is not supported for the calls on the SCCP trunk between
Call Manager (CUCM) and CUC (Connection).
• Video greeting feature is not supported for IPv6 or dual mode. Hence,
IPv6 feature and Video feature should not be configured on the CUC at
the same time.
• Video Greetings can be recorded for Connection Users only. Greetings
for Call Handlers are still Audio-only.
• Users can not record video greeting through Media Master(i.e.
Computer, Telephony Record and Playback (TRaP))
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• Max 25* concurrent calls are supported. All the other calls are
established as Audio
• VUI is not supported in a Video call.
• Outgoing Calls from Connection are established as Audio.
• For SIP Phones: PIP window which appears on phone screen during
recording will not be turned off after recording ends due to the limitation
of end point.
• The Primary DNS response time should be high otherwise, the user
experience may get detoriated since the connection resolves the FQDN
of Media Sense when it signs in.
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• While resuming a Hold video-call, following behavior can be
experienced by the users:
In case Audio content was getting played, then blank screen will be observed
for the duration of that prompt.
In case Video content was getting played, then blank screen and no audio will
be observed for the duration of that content.
• During Image Playback if image-playback requests towards MS fail then
call will remain Video although user may experience blank screen for
the duration of the Audio playbacks.
• When MS goes down and comes up after some time then there could be
a duration of 15 sec in which calls established will be audio.
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• RTP streams towards MS server don’t support sRTP which could pose
Man in The Middle (MiTM) threat.
• Notifications received from MS server are plain HTTP. A Man In The
Middle could disrupt ongoing media session with MS, by knowing
session information captured towards this port.
• Unity Connection will raise an alarm (as mentioned in Video Alarms
slide) in case too many notifications requests (HTTP) are received .
Alert raised will have the IP and port of the source. Please check the
authenticity of the requests.
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• Video Trace Level Information
• Links to Annotated traces
• Tips for Issues found during Quick Tests
• Tips for issues in establishing a Video call.
• Tips for issues during Video Recording
• Tips for issues during Video Playback
• Tips for issues related to Video Quality
• Video Alerts
• Video Performance Counters
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Enable following traces to troubleshoot Video related issues:
Micro Traces
Description
Level
CDE
Conversation State Machine traces
0,10-17,20,21
ConvSub
Conversation Call Progress traces
1-5
MiuIO
Input/output traces from MIU
11-13, 25,27
Miu Sip/Miu Sip Stack
SIP Protocol Messages
ALL
MiuMethods/MiuCall
Diags for the Call processing in media
Module
ALL
Mixer
Diags of Audio/Video Channels for data
transmission
01-04
Video
Video Processing and messages
exchanged with VideoServer
10,11
Log files to be collected : diag_CuCsMgr* and diag_CuMixer* from RTMT
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Annotated traces for Video Greetings can be found at the following link:
This link contains the important trace information to look for during a Video
call
• http://wikicentral.cisco.com/display/UNITYTRANS/Annotated+Traces+for
+Video+Messaging
MS APIs and their respective response codes are discussed in brief at the
following link
• http://wikicentral.cisco.com/display/UNITYTRANS/MS+APIs+with+respo
nse+Codes
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You may receive the following error messages on the Edit Video service page of
Cisco Unity Connection Administration(CUCA) when you test the connectivity of
Connection with Cisco MediaSense(MS) using test button:
•"Video Service cannot be contacted by pinging”. Make sure that the FQDN/IP address of
the Cisco MS (Video Server) is correct . If yes then check for the network connectivity
between problem between Connection and MS
•“Video server is not responding on the port <port number>." Make sure that the port
number specified on the Edit Video Service page is correct.
•“Username or password is incorrect.” Make sure that the username and password of
Cisco MS are correct
•“Failure in validating the video server certificates.” Make sure that the hostname of the
Cisco MS mentioned in the certificate installed on the Cisco Unity Connection is correct.
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Along with the error messages received on Video Services page, You may receive
following error messages when you check the configuration of the Video Services
Account page of a User through test button:
•“The Enable Video settings are disabled for this user in the Edit Class of Service
page”. Make sure that you select the 'Enable Video settings' in the 'Edit Class of Service'
page.
• “Video service is disabled.” Make sure that you have selected the 'Enabled' option in the
'Edit Video Service' page.
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Please check if:
•Cisco Camera and Video Capabilities are enabled for the device in Cisco Unified
Communications Manager.
•"Connection Conversation Manager” is restarted after updating Video Service
page.
•Cisco MediaSense is up and running using test button on Edit Video Service page
•Video Service Account is created for the user(s) in question.
•“Map Video Service” is enabled in Video Service Account for the user
•In Case of Connection User, check whether “Allow Users to Playback and Record
Video Greetings” is enabled in Class of Service for both the calling and called
user.
•In case of Outside Caller, check whether “Allow Outside Caller “is enabled in
Class of Service for the user.
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• Maximum concurrent video calls are reached . Please look for the following trace
in diag_CuCsMgr* logs:
Video,10,Alert::Exceeded Maximum ConCurrent Calls
Limit Active[25]:Max[25]
• Please check if MS root certificate is uploaded on Connection.
• Please check the video channels usage via ‘taccli’ command.
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Issue: Output of Test button is successful but Video call is not getting established.
Steps to follow:
Please ensure that MS root certificate is uploaded on Connection.
Cause:
Test button works with any certificate in the chain (Root-Intermediate-Leaf)
uploaded on Connection.
However to establish video calls, MS Root certificate is mandatory to be uploaded
on Connection
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Call gets downgraded to audio with the prompt “Video Services are not available,
using Audio for the duration of call”
Steps to follow:
•Please check if Cisco MS is UP and running using test button on Video Services
page and Video Services Account Page.
•Call gets downgraded in case any error response* is received from MS in
response to the startRecord() or stopRecord() request. Please look for the
respective error response in logs.
•User can proceed with the Audio call or establish the call again to re-record the
Video Greeting.
•In case the issue is persistent , please collect the appropriate Connection
Conversation Manager (CuCsMgr) logs at the mentioned trace levels using RTMT.
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Issue 1: Call gets downgraded to audio with the prompt “Video Services are not
available, using Audio for the duration of call”
Steps to follow:
•Please check if Cisco MS is up and running using test button on Video Services
page and on Video Service Accounts Page.
•Call gets downgraded in case any error response* is received from MS in
response to the startSessionPlayback() or stopPlayback() request. Please check
for the respective error response in the logs
•Please proceed with the audio call or establish a new call for complete Video
experience.
•In case the issue is persistent , please collect the appropriate Connection
Conversation Manager (CuCsMgr) logs at the mentioned trace levels.
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Issue 2: Playback hangs in between
Steps to follow:
• Press # button on phone to end the playback and continue with the call.
• Playback could hang due to missing "Playback_Stopped" event from MS.
Please check the conversation logs for this event.
• Please report in case the issue is persistent with the CuCsMgr diags at the
requested trace levels.
Issue 3: Audio Greeting is getting played with the image
Steps:
•
Please check "Callers See" section on Greetings page and ensure that 'My
Personal Greeting' is checked.
• If following trace is present in logs, please re-record your video greeting:
Video
Greeting can't be played either b'coz VideoFileName isn't available.
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Issue: During playback of Video Greeting, quality of video is poor.
Steps:
•Please check and reduce the value of attribute “Interval in Seconds for
sending KeyFrame Requests to End Point during recording” under
Advanced>Telephony.
•In case the issue still persists, please collect diag*CuCsMgr* and
diag*CuMixer* at the mentioned trace level.
•Capture wireshark traces at Connection and CUCM during the call.
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Existing ‘TACCLI’ Interface has been enhanced for Video channels and fork
groups added.
To check the statistics of Video Channels and Video forkgroups, run command
“taccli” from root account and provide the input as per the displayed menu.
Only Following menu items have been updated to display the statistics for Video
channels and forkgroups :
1 Display statistics for all channels
2 Display statistics for a channel
3 Display statistics for all forkgroups
4 Display forkgroup statistics
5 Display mixer status
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Following new Alerts are added on Connection:
•E_MIU_MS_AUTHENTICATION_FAILURE - This alert will be generated if the
‘signIn’ request towards MS fails (e.g. due to incorrect username/password)
•E_MIU_MS_CONNECTOR_KEEPALIVE_TIMEOUT – This alert will be generated
when keepalive requests towards MS fail due to timeout. It will be generated when
MS is down.
•EVT_MAXIMUM_NUM_OF_VIDEO_NOTIFICATION_THREADS_EXCEEDED-
This alert will be generated if number of Video Notification threads exceed its
maximum limit. Connection will ignore all the subsequent notifications in case the
limit is reached.*
• An INFO message “Connection to media sense succeeded” is also generated
once MediaSense Serve is active and connected.
These alerts can be checked on RTMT tool or ‘CiscoSyslog’ file at the path
/var/log/active/syslog on Connection.
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New Counters have been added for tracking video related
performance data. These counters can be found under the title
“CUC Video ” on RTMT tool.
Please see the following link for all the counters added:
http://wikicentral.cisco.com/display/UNITYTRANS/Video+Performan
ce+Counters
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• TODO
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All the Video documents are available at the following location:
//sea-dmz/temp/Video
•System Administration Guide> 10xcucsag100
This document gives the administrator a quick start with video greeting feature
discussing about the need, configuration and prechecks of Video Greetings.
•User Guide for Cisco Unity Connection Phone Interface> Managing Your Personal
Greetings
This document explains the end user to record and play video greetings using
telephone user Interface.
•Troubleshooting Guide> 10xcuctsg140
This document discusses the error messages and troubleshooting steps that the
administrator can perform while configuring video greetings.
•System Administration Guide > 10xcucsag130
This document explains how to allow users to playback video greetings.
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Thank you.
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