CISCO Unified Express Communications Manager User Manual
- June 15, 2024
- Cisco
Table of Contents
- Important Information about Cisco IOS XE 16 Denali
- Unified CME Graphical User Interface Deprecation
- CTI CSTA Protocol Suite Deprecation
- Simple Network Management Protocol (SNMP) Support for Unified CME
- Introduction
- Licensing
- Smart License Operation
- PBX or Keys itch
- Additional References
- Management Information Base
- References
- Read User Manual Online (PDF format)
- Download This Manual (PDF format)
Unified Express Communications
Manager
User Manual
Important Information about Cisco IOS XE 16 Denali
Effective Cisco IOS XE Release 3.7.0E (for Catalyst Switching) and Cisco IOS
XE Release 3.17S (for Access and Edge Routing) the two releases evolve (merge)
into a single version of converged release—the Cisco IOS XE 16
Denali—providing one release covering the extensive range of access and edge
products in the Switching and Routing portfolio.
For migration information related to the Cisco IOS XE 16, see Cisco IOS XE
Denali 16.2 Migration Guide for Access and Edge
Routers.
Unified CME Graphical User Interface Deprecation
From Unified CME Release 12.6 (Cisco IOS XE Gibraltar 16.11.1a Release), the
Graphical User Interface (GUI) is no more supported for Unified CME. Hence,
the GUI files posted under the name cme-gui-.., as part of the Unified CME
software bundle, is not available for download for Unified CME 12.6 and later
releases. We recommend that you use the Command Line Interface (CLI) commands
to configure Unified CME.
Note
CME GUI allows configuration of essential SIP phone features.
All the CLI commands related to Unified CME GUI deployment are disabled for
Unified CME 12.6 and later releases. The following CLI commands related to
Unified CME GUI are disabled:
- web admin customer name username {password string | secret {0 | 5} string}
- web admin system [name username] [{password string | secret {0 | 5} string}]
- web customize load filename
- time-we edit
- dn we edit
- show telephony-service admin
CTI CSTA Protocol Suite Deprecation
From Unified CME Release 12.6 (Cisco IOS XE Gibraltar 16.11.1a), the Computer
Telephony Integration4 (CTI) Computer Supported Telecommunications
Applications (CSTA) protocol suite is no more supported on Unified CME. All
the CLI commands related to CTI CSTA are disabled for Unified CME 12.6 and
later releases.
The following CLI commands related to CTI CSTA that are configured under voice
service VoIP configuration mode is disabled on Unified CME 12.6 and later
releases:
- cti shutdown
- cti callmonitor
- cti csta mode basic
- cti message device-id suppress-conversion
- cti timeout make-call-prompt
The following CLI commands related to CTI CSTA that are configured under phoned and ephonetemplate configuration mode is disabled on Unified CME 12.6 and later releases:
- cti notify
- cti watch
The following CLI commands related to CTI CSTA that are configured under voice register session-server configuration mode are disabled on Unified CME 12.6 and later releases:
- cti aware
The following CLI show commands related to CTI CSTA that are configured under show cti ? are disabled on Unified CME 12.6 and later releases:
- show cti call
- show cti gcid
- show cti line-node
- show cti session
Simple Network Management Protocol (SNMP) Support for Unified CME
Unified CME supports Simple Network Management Protocol (SNMP) Management Information Base (MIBs) for monitoring the product status. Unified CME Release 12.6 and later is SNMP Version 3 (SNMPv3) compliant. Unified CME supports the following main SNMP MIB:
- CISCO-CCME-MIB
For information on configuration of SNMP version 3 on Unified CME router, see SNMP Configuration Guide.
Introduction
Note
The Cisco Unified Communications Manager Express System Administrator Guide
refers to a phone with SIP firmware as SIP Phone, SIP IP Phone, or Cisco
Unified SIP IP phone. A phone with SCCP firmware is referred as SCCP Phone,
SCCP IP Phone, or Cisco Unified SCCP IP phone.
Note
It is mandatory to configure the command supplementary-service media-
renegotiate under voice service oip configuration mode to enable the
supplementary features supported on Unified CME.
Note
It is mandatory to configure the CLI command call-park system application
under telephony-service configuration mode to support SIP and mixed mode (SIP
and SCCP) features such as Call Park and Call Pick-up in Unified CME.
Note
Configure the CLI commands no supplementary-service sip refer, no
supplementary-service sip moved-temporarily under voice service voip
configuration mode for call transfer and call forward scenarios in Unified
CME.
Cisco Unified Communications Manager Express (formerly known as Cisco Unified
CallManager Express) is a call-processing application in Cisco IOS software
that enables Cisco routers to deliver key-system or hybrid PBX functionality
for enterprise branch offices or small businesses.
Cisco Unified CME is a feature-rich entry-level IP telephony solution that is
integrated directly into Cisco IOS software. Cisco Unified CME allows small
business customers and autonomous small enterprise branch offices to deploy
voice, data, and IP telephony on a single platform for small offices, thereby
streamlining operations and lowering network costs.
Cisco Unified CME is ideal for customers who have data connectivity
requirements and also have a need for a telephony solution in the same office.
Whether offered through a service provider’s managed services offering or
purchased directly by a corporation, Cisco Unified CME offers most of the core
telephony features required in the small office, and also many advanced
features not available with traditional telephony solutions. The ability to
deliver IP telephony and data routing by using a single converged solution
allows customers to optimize their operations and maintenance costs, resulting
in a very cost-effective solution that meets office needs.
A Cisco Unified CME system is extremely flexible because it is modular. A
Cisco Unified CME system consists of a router that serves as a gateway and one
or more VLANs that connect IP phones and phone devices to the router.
Figure 1: Cisco Unified CME for the Small- and Medium-Size Office, on page 4
shows a typical deployment of Cisco Unified CME with several phones and
devices connected to it. The Cisco Unified CME router is connected to the
public switched telephone network (PSTN). The router can also connect to a
gatekeeper and a RADIUS billing server in the same network.Figure 2: Cisco Unified CME for Service Providers, on page 5 shows
a branch office with several Cisco Unified IP phones connected to a Cisco
IAD2430 series router with Cisco Unified CME. The Cisco IAD2430 router is
connected to a multiservice router at a service provider office, which
provides connection to the WAN and PSTN.A Cisco
Unified CME system uses the following basic building blocks:
- Erphone or voice register pool—A software concept that usually represents a physical telephone, although it is also used to represent a port that connects to a voice-mail system, and provides the ability to configure a physical phone using Cisco IOS software. Each phone can have multiple extensions associated with it and a single extension can be assigned to multiple phones. Maximum number of phones and voice register pools supported in a Cisco Unified CME system is equal to the maximum number of physical phones that can be connected to the system.
- Directory number—A software concept that represents the line that connects a voice channel to a phone. A directory number represents a virtual voice port in the Cisco Unified CME system, so the maximum number of directory numbers supported in Cisco Unified CME is the maximum number of simultaneous call connections that can occur. This concept is different from the maximum number of physical lines in a traditional telephony system.
Licensing
This section provides information on licensing of Cisco Unified Communications
Manager Express (Unified CME).
Cisco Smart Licensing
Cisco Smart Licensing is a software licensing model that provides visibility
of ownership and usage through the Cisco Smart Software Manager (CSSM) portal.
CSSM is a central license repository that manages licenses across all Cisco
products that you own, including Cisco Unified Communications Manager Express
(Unified CME). Devices send license usage to CSSM either directly or use an
on-premises satellite. Your Smart Account Administrator controls your access
to CSSM. Use your Cisco credentials to access the CSSM portal using
htttp://software.cisco.com.
Smart Licensing applies to all platform technology (UCK9, Security) and
Unified CME feature licenses that the router uses. Unified CME requires one
license entitlement (CME_EP) for each configured SIP or SCCP phone.
CSSM shows license usage across all devices that you register to a virtual
account. A Virtual Account License Inventory displays the quantity of licenses
that you purchase, those licenses in use, and a balance. Alert Insufficient
Licenses is displayed if the license balance is below 0.
For example, consider a smart account in CSSM with 50 CME_EP licenses. If you
have a single registered Unified CME router with 20 configured phones, the
CSSM licenses page shows Purchased as 50, In Use as 20 and Balance as 30.
For more information on Smart Software Manager, see the Cisco Smart Software
Manager User Guide.
Note
The CME_EP license count reflects the total phone count for both the ephones
and voice register pools that are configured in the Unified CME irrespective
of whether the phones are registered or not. To avoid unnecessary reporting
while you configure Unified CME, license usage is reported three minutes after
the last configuration change.
Note
Unified CME Smart Licenses also provide RTU entitlement for routers that are
not configured for Smart Licensing.
Smart License Operation
Cisco IOS XE Everest 16.5.1 Release to Cisco IOS XE Fuji 16.9.1 Release
Cisco 4000 Series Integrated Services Routers support Smart Licensing as an
alternative to Cisco Software RTU Licensing. Use the license smart enable
command to enable Smart Licensing. To disable Smart Licensing, use the no form
of the command and reaccept the EULA using the license accept end user
agreement configuration command.
Cisco IOS XE Gibraltar 16.10.1 Release Onwards
The Cisco RTU Licensing and the CLI license smart enable command are
deprecated. Smart Licensing is mandatory from this release.
Cisco IOS XE Everest 16.5.1 Release to Cisco IOS XE Amsterdam 17.3.1a
Release
Routers configured to use Smart Licensing offer a 90-day evaluation period,
during which you can use all the features without registering to CSSM. A Cisco
Unified Communications Manager Express device is associated with CSSM using
registration token. You can obtain the registration token from the virtual
CSSM account or from an on-premises satellite. Once registered, the evaluation
period pauses and you can use the balance later. You cannot renew the
evaluation period on its expiry.
Warning
Cisco Unified Communications Manager Express shuts down when the router is
unregistered and allowed to pass into the Evaluation Expired state.
To register the Cisco Unified Communications Manager Express router with CSSM,
use license smart register idtoken command. For information on registering the
device with CSSM, see Software Activation Configuration
Guide.
Upon successful registration, the device sends an authorization request to
CSSM for the licenses in use. For each license type requested, if the Smart
Account has sufficient licenses, CSSM responds with Authorized.
If the Smart Account does not have sufficient licenses, CSSM responds with Out
of Compliance.
Post successful authorization of the request, licenses are bound to the
requesting device until the next authorization request submission.
An authorization request is sent every 30 days or when there is any change in
license consumption, to maintain the registration with CSSM. The authorization
expires if you do not update the license request for the router within 90
days. The certificate issued to identify the router at the time of
registration is valid for one year and renewed every six months.
The router displays the License authorization as follows:
Router# show license summary
Smart Licensing is ENABLED
Registration: Status: REGISTERED
Smart Account: Call-Manager-Express
Virtual Account: CME Application
Export-Controlled Functionality: Not Allowed
Last Renewal Attempt: None
Next Renewal Attempt: Oct 07 12:08:10 2016 UTC
License Authorization:
Status: AUTHORIZED
Last Communication Attempt: SUCCESS
Next Communication Attempt: May 13 07:11:48 2016 UTC
License Usage:
License | Entitlement tag | Count | Status |
---|---|---|---|
ISR_4351_UnifiedComm… | (ISR_4351_UnifiedCommun..) | 1 | AUTHORIZED |
CME v12 Endpoint Lic… | (CME_EP) | 4 | AUTHORIZED |
Cisco IOS XE Gibraltar 16.12.1 Release to Cisco IOS XE Amsterdam 17.3.1a
Release
Specific License Reservation (SLR) is supported on Cisco 4000 Series
Integrated Services Routers. SLR allows reservation and utilization of Cisco
Smart Licenses without communicating the license information to CSSM. To
reserve specific licenses for a device, generate request code from the device.
Enter the request code in CSSM along with the required licenses and their
quantity, and generate authorization code. Enter the authorization code on the
device to map the license to the Unique Device Identifier (UDI).
Note
If upgrading to Cisco IOS XE Amsterdam 17.3.1a with a license reservation in
place, update the reservation to include version 14, rather than version 12
CME licenses. The reservation may be updated before or after the software
upgrade.
Cisco IOS XE Amsterdam 17.3.2 Release Onwards
This release introduces a new paradigm for tracking license usage across your
business. In earlier releases, license authorization was forward looking,
binding licenses to a device until the next authorization request.
Actual license usage during the proceeding reporting period is now sent to
CSSM, allowing you to plan ongoing license requirements based on historical
usage data.
Initial device registration is no longer required to use most platform
functionality and the evaluation period is deprecated.
License usage reports are submitted periodically according to a minimum
reporting policy set for your account.
Typically, this period could be once per year. However, you can generate
reports more frequently if the use of licensed features varies over time. CSSM
acknowledges each Resource Utilization Monitoring (RUM) report to ensure that
the usage is recorded reliably. If the router does not receive an
acknowledgment within the minimum reporting period, call processing is
disabled. Call processing is resumed when a valid acknowledgment is received.
Reports can be submitted to CSSM directly or through a satellite. Cisco Smart
Licensing Utility (CSLU) applications can also receive usage reports,
providing you with more flexibility in managing your license usage. Also, when
a device is not able to communicate directly with a licensing server, a signed
usage report can be generated and manually uploaded to CSSM. The
acknowledgment that is generated by CSSM must be uploaded to the device within
the license reporting policy period to ensure continued use.
As license reporting is now based on historical usage, the registration
process that is used previously has been replaced with a trust association
that also defines the reporting policy set in your account. Establishing trust
with CSSM or Cisco Smart Software Manager Satellite uses an identity token
similar to earlier registrations.
Use the license smart trust idtoken token command to establish the trust
relationship within the initial reporting period set for the device. The CLI
license smart register command is deprecated from this release.
Warning
When using any of the following releases, Unified CME shuts down if the router
does not receive a report acknowledgment from CSSM before the acknowledgment
deadline set by the account policy: 17.3.2, 17.3.3, 17.3.4a, 17.6.1a, or any
17.4 or 17.5 release. Unified CME does not shut down in this way with later
releases.
Note
- Smart License Reservation (SLR) for Unified CME licenses is not compatible with Cisco IOS XE Amsterdam 17.3.2 and later releases. Even if a reservation is in place when upgrading to one of these releases, license use reporting is still required in accordance with the device policy.
- The enhancements that are made for Cisco IOS XE Amsterdam 17.3.2 and Cisco IOS XE Bengaluru 17.4.1a are not available for Cisco CSR 1000V.
Current license usage for Cisco Unified Communications Manager Express is
displayed using the show license summary command:
ISR4400(config)#do sh license summary
License Usage:
License | Entitlement tag | Count Status |
---|---|---|
appxk9 | (ISR_4400_Application) | 1 IN USE |
uck9 | (ISR_4400_UnifiedCommun…) | 1 IN USE |
securityk9 | (ISR_4400_Security) | 1 IN USE |
CME_EP | (CME_EP) | 2 IN USE |
PBX or Keys itch
When setting up a Cisco Unified CME system, you need to decide if call
handling should be similar to that of a PBX, similar to that of a keys itch,
or a hybrid of both. Cisco Unified CME provides significant flexibility in
this area, but you must have a clear understanding of the model that you
choose.
PBX Model
The simplest model is the PBX model, in which most of the IP phones in your
system have a single unique extension number. Incoming PSTN calls are routed
to a receptionist at an attendant console or to an automated attendant. Phone
users may be in separate offices or be geographically separated and therefore
often use the telephone to contact each other.
For this model, we recommend that you configure directory numbers as dual-
lines so that each button that appears on an IP phone can handle two
concurrent calls. The phone user toggles between calls using the blue
navigation button on the phone. Dual-line directory numbers enable your
configuration to support call waiting, call transfer with consultation, and
three-party conferencing (G.711 only).
Figure 3: Incoming Call Using PBX Model, on page 9 shows a PSTN call that is
received at the Cisco Unified CME router, which sends it to the designated
receptionist or automated attendant (1), which then routes it to the requested
extension (2).For configuration information, see
Configure Phones for a PBX System.
Keys itch Model
In a keys itch system, you can set up most of your phones to have a nearly
identical configuration, in which each phone is able to answer any incoming
PSTN call on any line. Phone users are generally close to each other and
seldom need to use the telephone to contact each other.
For example, a 3×3 keys itch system has three PSTN lines shared across three
telephones, such that all three PSTN lines appear on each of the three
telephones. This permits an incoming call on any PSTN line to be directly
answered by any telephone—without the aid of a receptionist, an auto-attendant
service, or the use of (expensive) DID lines. Also, the lines act as shared
lines—a call can be put on hold on one phone and resumed on another phone
without invoking call transfer.
In the keys itch model, the same directory numbers are assigned to all IP
phones. When an incoming call arrives, it rings all available IP phones. When
multiple calls are present within the system at the same time, each individual
call (ringing or waiting on hold) is visible and can be directly selected by
pressing the corresponding line button on an IP phone. In this model, calls
can be moved between phones simply by putting the call on hold at one phone
and selecting the call using the line button on another phone. In a keys itch
model, the dual-line option is rarely appropriate because the PSTN lines to
which the directory numbers correspond do not themselves support dual-line
configuration. Using the dual-line option also makes configuration of call-
coverage (hunting) behaviors more complex.
You configure the keys itch model by creating a set of directory numbers that
correspond one-to-one with your PSTN lines. Then you configure your PSTN ports
to route incoming calls to those ephonedns. The maximum number of PSTN lines
that you can assign in this model can be limited by the number of available
buttons on your IP phones. If so, the overlay option may be useful for
extending the number of lines that can be accessed by a phone.
Figure 4: Incoming PSTN Call Using Keyswitch Model, on page 10 shows an
incoming call from the PSTN (1), which is routed to extension 1001 on all
three phones (2).For configuration information, see
Configure Phones for a Key System.
Hybrid Model
PBX and keys itch configurations can be mixed on the same IP phone and can
include both unique per-phone extensions for PBX-style calling and shared
lines for keyswitch-style call operations. Single-line and dual-line directory
numbers can be combined on the same phone.
In the simplest keys itch deployments, individual telephones do not have
private extension numbers. Where key system telephones do have individual
lines, the lines are sometimes referred to as intercoms rather than as
extensions. The term “Intercom” is derived from “internal communication;”
there is no assumption of the common “intercom press-to-talk” behavior of auto
dial or auto answer in this context, although those options may exist.
For key systems that have individual intercom (extension) lines, PSTN calls
can usually be transferred from one key system phone to another using the
intercom (extension) line. When Call Transfer is invoked in the context of a
connected PSTN line, the outbound consultation call is usually placed from the
transferrer phone to the transfer-to phone using one of the phone’s intercom
(extension) line buttons. When the transferred call is connected to the
transfer-to phone and the transfer is committed (the transferrer hangs up),
the intercom lines on both phones are normally released and the transfer-to
call continues in the context of the original PSTN line button (all PSTN lines
are directly available on all phones). The transferred call can be put on hold
(on the PSTN line button) and then subsequently resumed from another phone
that shares that PSTN line. For example, you can design a 3×3 keyswitch system
as shown in Figure 4: Incoming PSTN Call Using Keys itch Model, on page 10 and
then add another, unique extension on each phone (Figure 5: Incoming PSTN Call
Using Hybrid PBX-Keyswitch Model, on page 11). This setup will allow each
phone to have a “private” line to use to call the other phones or to make
outgoing calls. Call Detail Records
The accounting process collects accounting data for each call leg created on
the Cisco voice gateway. You can use this information for post-processing
activities such as generating billing records and network analysis.
Voice gateways capture accounting data in the form of call detail records
(CDRs) containing attributes defined by Cisco. The gateway can send CDRs to a
RADIUS server, syslog server, or to a file in .csv format for storing to flash
or an FTP server. For information about generating CDRs, see CDR Accounting
for Cisco IOS Voice
Gateways.
Additional References
The following section provides references related to Cisco Unified CME.
Table 1: Related Documents for Unified CME
Related Topic | Document Title |
---|---|
Cisco Unified CME configuration | [Cisco Unified CME Command |
Reference](http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucme/command/reference/cme_cr.html)
Cisco Unified CME Documentation Roadmap
Cisco IOS commands| Cisco IOS Voice Command
Reference
Cisco IOS Software Releases 12.4T Command
References
Cisco IOS configuration| Cisco IOS Voice Configuration
Library
Cisco IOS Software Releases 12.4T Configuration
Guides
Cisco IOS voice troubleshooting| Cisco IOS Voice Troubleshooting and
Monitoring
Guide
Related Topic| Document Title
---|---
Dial peers, DID, and other dialing issues| Dial Peer Configuration on Voice
Gateway Routers
Understanding One Stage and Two Stage Dialing (technical
note)
Understanding How Inbound and Outbound Dial Peers Are
Matched on Cisco IOS Platforms (technical
note)
Using IOS Translation Rules – Creating Scalable Dial Plans for
VoIP Networks
(sample configuration)
Dynamic Host Configuration Protocol (DHCP)| “DHCP” section of the Cisco IOS
IP Addressing Services Configuration
Guide
Fax and modem configurations| Cisco Fax Services over IP Application
Guide
FXS ports| FXS Ports in SCCP Mode on Cisco VG
224 Analog Phone Gateway
“Configuring Analog Voice Ports” section of the Cisco IOS Voice
Port
Configuration
Guide
FXS Ports in SCCP Mode on Cisco VG 224 Analog
Phone Gateway
SCCP Controlled Analog (FXS) Ports with Supplementary Features
in
Cisco IOS
Gateways
Cisco VG 224 Analog Phone Gateway data
sheet
H.323| Cisco IOS H.323 Configuration
Guide
Network Time Protocol (NTP)| “Performing Basic System Management” chapter of
Cisco IOS Network Management Configuration
Guide
Phone documentation for Cisco Unified CME| User Documentation for Cisco
Unified IP
Phones
Public key infrastructure (PKI)| “Part 5: Implementing and Managing a PKI” in
the Cisco IOS
Security
Configuration
Guide
SIP| Cisco IOS SIP Configuration
Guide
TAPI and TSP documentation| Cisco Unified CME programming
Guides
Tcl IVR and VoiceXML| Cisco IOS Tcl IVR and VoiceXML Application Guide –
12.3(14)T
and
later
Cisco Voice XML Programmer’s
Guide
VLAN class-of-service (COS) marking| Enterprise QoS Solution Reference
Network Design
Guide
Voice-mail integration| Cisco Unified CallManager Express 3.0 Integration
Guide for
Cisco
Unity
4.0
Integrating Cisco CallManager Express with Cisco Unity
Express
Call detail records (CDRs)| CDR Accounting for Cisco IOS Voice
Gateways
Related Topic| Document Title
---|---
XML| XML Provisioning Guide for Cisco
CME/SRST
Cisco IP Phone Services Application Development
Notes
Management Information Base
MIBs | MIBs Link |
---|---|
CISCO-CCME-MIB MIB CISCO-VOICE-DIAL-CONTROL-MIB | To locate and download MIBs |
for selected platforms, Cisco IOS releases, and feature sets, use Cisco MIB
Locator found at the
following URL: http://www.cisco.com/go/mibs
References
- Cisco VG Series Analog Voice Gateways Data Sheet - Cisco
- Understand Inbound/Outbound Dial Peers that Match on IOS Platforms - Cisco
- Using IOS Translation Rules - Creating Scalable Dial Plans for VoIP Networks - Cisco
- Understanding One Stage and Two Stage Voice Dialing - Cisco
- Cisco IOS Software Releases 12.4 T - Retirement Notification - Cisco
- Cisco Unified Communications Manager Express - Programming Guides - Cisco
- Cisco Unified Communications Manager Express - Cisco
- Cisco IOS XE Denali 16.3 Migration Guide for Access and Edge Routers - Cisco
- Cisco IOS Software Releases 12.4 Mainline - Retirement Notification - Cisco
- Cisco IOS Software Releases 12.4 T - Retirement Notification - Cisco
- Cisco IOS Software Releases 12.4 T - Retirement Notification - Cisco
- Cisco IOS Software Release 12.4(2)T - Retirement Notification - Cisco
- Cisco IOS Security Configuration Guide, Release 12.4 - Cisco
- Cisco IOS Software Releases 12.4 T - Retirement Notification - Cisco
- Cisco IOS Voice Command Reference - Cisco
- Cisco IOS Software Releases 12.4 T - Retirement Notification - Cisco
- SIP Configuration Guide, Cisco IOS Release 12.4T - Cisco
- cisco.com/c/en/us/td/docs/ios/voice/voiceport/configuration/guide/12_4t/vp_12_4t_book.html
- Cisco IOS Software Release 12.4(11)T - Retirement Notification - Cisco
- Details all the CLI commands used in Unified CME - Cisco
- Integrating Cisco Unity Express with Cisco CallManager Express 3.0 and Later - Cisco
- User Documentation for Cisco Unified IP Phones - Cisco
- XML Provisioning Guide for Cisco CME/SRST - Cisco
- Cisco Unified IP Phone Services Application Development Notes for Cisco Unified Communications Manager and Multiplatform Phones - Cisco
- Cisco IOS Voice Configuration Library - Cisco Systems
- Cisco Unified CallManager Express 3.x Integration Guide for Cisco Unity 4.0 - Cisco Systems
- Software Activation Configuration Guide - Cisco
- SNMP Configuration Guide, Cisco IOS XE Release 3SE (Catalyst 3850 Switches) - SNMP Version 3 [Support] - Cisco
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