Transcript Real-World Motivators for Unified Messaging Drivers: Trends: If the company owns eCALs for Exchange, Exchange UM should be a no-brainer, price/performance wise.

Real-World Motivators for Unified Messaging
Drivers:
Trends:
If the company owns eCALs for Exchange,
Exchange UM should be a no-brainer, price/performance wise
Called Party
LDAP
AD DS
SMTP
TDM
SIP Trunk/RTP
PSTN
Caller
Unified Messaging Server
RPC
Hub Transport Server
IP PBX
Client Access Server
Mailbox Server
Each Server can handle 100 simultaneous
calls by default (3000-10000 users)
Georgia Tech Research Institute
“It was a matter of Exchange Server UM bringing us a cheaper licensing solution, along with
additional functionality. It’s not often you find something that costs you less and gives you more.”
- Chris Slater, Manager of System Development, GTRI
VoIP Gateway Function
Gateway links PBX to Exchange UM
Analog
I
P
OR
Digital
Circuit-switching Protocols
Packet-switching VoIP protocols
November 6, 2015 | Page 14
Called Party
LDAP
AD DS
SMTP
TDM
TDM
PSTN
VoIP Gateway
Caller
SIP
Trunk/
RTP
Unified Messaging Server
RPC
Hub Transport Server
TDM PBX
Client Access Server
Mailbox Server
http://technet.microsoft.com/en-us/library/ee364753.aspx
http://www.audiocodes.com/exchange
http://www.dialogic.com/microsoftuc/pbx_integration.htm
Redundant Exchange UM should use round robin DNS, not Network
Load Balancing
Called Party
LDAP
AD DS
SMTP
TDM
SIP/RTP
TDM
PSTN
UM #1
VoIP Gateway
Caller
RPC
Hub Transport Server
TDM PBX
SIP/RTP
TDM
VoIP Gateway
UM #2
Client Access Server
Mailbox Server
Case Study: IDEXX
Feature Requirements and ROI Data
Option
VM in
Outlook
and
BBerry
MWI
Sync
PC/phone
Listen
Option
Calendar
Access via
Phone
Full AD
Integration
OCS
Interop
Total number of employees with BB
Mutare with Avaya MM
Est. mins. per day entering
X
X keystrokes for vm
Message Store
Total mins. per day entering keystrokes for vm
Avaya MM w/ Exchange
X
X
Total
hours per day Xentering
keystrokes
for vm
Message
Store
Labor
cost
savings day
Mutare
with Audix
Message
Store
Labor
X
X
X
X
savings per year
Microsoft UM w/ Exchange
Message Store
Transcription
Service
Available
1000
X 1
1000
16.67
$900.00
X
$235,800.00
X
X
X
X
X
Case Study: IDEXX
Architecture
Avaya Definity PBX
Problem
DSE VoIP
Gateway
Avaya S8700
Branch Office Location
Exchange Server 2007
SIP
Headquarters Office
Location
• Various Avaya PBXs with
standalone voicemail systems,
across the globe
• Overlapping extensions
Solution
WAN
• Co-located a VoIP Gateway
with each TDM PBX
Avaya S8300
SMDI VoIP
Gateway
• Centralized Exchange Server
2007
Branch Office Location
• Voicemail to/from NOC over
WAN
This represents a set of telephonyenabled endpoints (extensions), sharing a
An IP gateway
represents
any SIP/RTPcommon
numbering
or naming
plan,
AD Forest
An Automated Attendant
allows
capable
“peer”
server
with
which
UM is
defined
by the with
telephone
network (e.g.
Automated
Attendants
can be joined
administrators
to
provide
callers
1
to communicate.
This
includes
A allowed
hunt
group
associates
an IP
Gateway
PBX).menus.
together
to form
multi-level
DTMFand
speech-enabled
access
to
0 .. N
gateways,
PBXshave
and aOffice
withVoIP
a Dial
Plan, andIPmay
pilot
Users can have secondary extensions, and
users, operators and phoneCommunications
numbers.
Server.
number to distinguish gateway
1
these can be in different Dial Plans.
0 .. N
UM Dial Plan
associations with different Dial Plans.
0 .. N
UM Servers can handle calls for multiple Dial
Plans. Each Dial Plan can be associated with
multiple UM Servers.
UM Server
1
0 .. N
1
1
0 .. N
0 .. N
UM Mailbox
1 .. N
1
0 .. N
UM Mailbox
Policy
UM Hunt
Group
1 .. N
1
UM IP
UM user with their
This represents the UM-enabledThis associates the
Gateway
user. It has an extension, in an Dial Plan. Many properties can be
configured here (“class of service”).
associated Dial Plan
0 .. N
0 .. N
UM Auto
Attendant
WAN Bandwidth Planning
Latency Tolerance
Case Study: IDEXX
IDEXX Unified Messaging Pilot Survey
Rate your experience with the Unified Messaging capability based on the criteria below.
“Love the voicemail aspects of unified messaging, once familiarized.”
“I especially like the Outlook notification when I've missed a call or have a new voice mail.”
Answer Options
Usability - Phone
Usability - Office 2007
Training
2
3(Neutral)
4
5 (Exceptional)
“I feel it would be good for people
that really
need to 7be in touch20with their calendar.”
0
2
19
Usability - Office 2003
Reliability
1(Poor)
0
1
4
14
5
“This is going to change
the way
many of 6us work. More
so for the16
better.”
0
0
16
N/A
Response
Count
1
49
17
41
10
48
0
0
4
30
13
0
47
2
4
15
16
9
2
48
“BIG IMPROVEMENT!”
LDAP
AD DS
Partner Fax
SMTP
RTP
Mediation
Server
Unified Messaging Server
Intranet
RPC
Hub Transport Server
SIP
RTP
TDM
Caller
PSTN
Client Access Server
VoIP
Gateway
Front End
Server
RTAudio
SIP
Fax
Called Party
Mailbox Server
Microsoft Exchange Server 2010 Unified Messaging in the Real
World
TechEd Online
microsoft.com/communicationsserver
Technical Library
NextHop
Partner Link
Customer Link
Exchange 2010 SP1 Beta download
DrRez on Twitter
Communications Server
Exchange Server
www.microsoft.com/teched
www.microsoft.com/learning
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Term
Definition
IP PBX
IP-Based Private Branch Exchange (phone system)
SIP
Session Initiation Protocol (Voice over IP)
SIP Trunk
Logical VoIP Connection between IP PBX and UM Server over
LAN/WAN
LDAP
Lightweight Directory Access Protocol (how UM queries
Active Directory to determine location of user’s mailbox)
MAPI / RPC
Messaging Application Programming Interface / Remote
Procedure Call (how UM interacts with Mailbox for
processing/greetings)
SMTP
Simple Mail Transport Protocol (how UM transports vmail
messages to the user’s mailbox over the network)
Technical Definitions
Term
Definition
TDM PBX
Time Division Multiplex (traditional, non-IP Phone system)
VoIP Gateway
Converts PBX protocols to SIP, sits between PBX and
Exchange UM
T1 QSIG
Standards-based TDM connection between PBXs, between
PBXs and Voicemail systems, and between PBX and Gateway
T1 CAS
Channel-Associated Signaling, older and less functional than
QSIG
DSE
Digital Set Emulation, signaling protocol between phones
and PBX, or between gateway and PBX
SMDI
Simplified Message Desk Interface, signaling protocol over
RS-232 cable between gateway and PBX