AASTRA MX-ONE, A700 User Manual

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Quick Setup Guide
Integration of Aastra MX-ONE / Aastra 700 and
®
Microsoft
Aastra MX-ONE
Lync Server 2010
TM
Aastra Telecom Sweden AB Box 42214, SE-126 17 Stockholm, Sweden Tel +46 8 568 67000 www.aastra.com
Date: 2011-12-01 Doc. no.: ASE/MXO/PLM/0244/0/1/EN Rev.B
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Contents
1 Introduction .............................................................................................................. 3
1.1 General ................................................................................................................................................... 3
1.2 Scope of this document ........................................................................................................................ 3
2 Integration Description ............................................................................................ 4
2.1 Direct SIP ............................................................................................................................................... 4
2.2 Direct SIP signalling overview ............................................................................................................. 5
2.3 Direct SIP supported features .............................................................................................................. 5
3 Prerequisites ............................................................................................................ 6
3.1 MX-ONE requirements .......................................................................................................................... 6
3.1.1 Main components: ................................................................................................................................................. 6
3.1.2 Licenses ................................................................................................................................................................. 6
3.2 Microsoft Lync Server 2010 ................................................................................................................. 6
3.2.1 Main components .................................................................................................................................................. 6
3.2.2 Licenses ................................................................................................................................................................. 6
4 Installation and configuration ................................................................................. 7
4.1 Installation ............................................................................................................................................. 7
4.1.1 MX-ONE Installation .............................................................................................................................................. 7
4.1.2 Microsoft infrastructure ........................................................................................................................................ 7
4.2 Configuration ......................................................................................................................................... 7
4.2.1 Direct SIP Setup ..................................................................................................................................................... 7
4.2.2 Direct SIP with security and Media Bypass setup ............................................................................................ 14
5 Integration Notes ................................................................................................... 18
6 References ............................................................................................................. 18
7 Revision History .................................................................................................... 18
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1 Introduction
Aastra MX-ONE and Aastra 700 communications systems running Telephony Server software V.4.1 SP3 or later can be integrated with Microsoft Lync Server 2010 via Direct SIP integration. As Aastra MX-ONE and Aastra 700 run the same software, in the next chapters only Aastra MX-ONE is referred to. However, if there are differences between them it will be mentioned in this guide. Aastra MX-ONE is a complete IP-based communications system with unparalleled capabilities for mobile users. Not only does Aastra MX-ONE provide excellent voice communications, it also provides the applications necessary to offer true mobility and Unified Communications (UC). Aastra MX-ONE communications system is based on an open software and hardware environment, using standard servers with a Linux SUSE operating system. Furthermore, Aastra MX-ONE integrates with third party solutions using standards based interfaces, such as SIP and CSTA V3/XML. This open standards approach enables Aastra to offer our customers a choice and with this in mind we have worked together with Microsoft to ensure that Aastra MX-ONE can be integrated with the latest Microsoft UC products. Aastra MX-ONE V.4.1 SP3 is fully certified by the Microsoft Partner Program to ensure that customers have seamless experiences with setup, support, and use of Aastra MX-ONE communications system with Microsoft UC software. Aastra MX-ONE integrates with Microsoft UC solutions directly via a SIP connection to reduce the overall cost and complexity of the combined solution.
1.1 General
Integration of Aastra MX-ONE with the Microsoft Lync Server 2010 is supported as a complementary solution providing end user services like instant messaging, conferencing etc. Microsoft Partner Program has certified the integration between Aastra MX-ONE communications system running Telephony Server software V.4.1 SP3 and Microsoft Lync Server 2010 via a Direct SIP connection.
1.2 Scope of this document
The intent of this guide is to describe the basic integration between the Aastra MX-ONE and Microsoft Lync Server 2010. The following sections describe the solution integration that has been certified through the Microsoft Partner Program and covers only the Direct SIP integration. For a more technical description on how these integrations are set-up and function, please refer to the relevant CPI documentation for MX-ONE or go to the Microsoft UC product websites. As a general rule, it is always recommended to check the latest products documentation.
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2 Integration Description
The integration of Aastra MX-ONEand Microsoft Lync Server 2010 described in this guide is achieved via Direct SIP. Direct SIP that is specified by Microsoft means that a SIP trunk is used to connect Aastra MX-ONEand Microsoft Lync Server 2010 (Mediation Server). The SIP trunk connection between the systems can be deployed with or without encryption. Aastra MX-ONE supports TLS and SRTP encryption protocols as the SIP transport mechanism when connected with Mediation Server.
Figure 1 - Direct SIP topology
This guide covers only the components that are required in the integration between Aastra MX-ONE V.4.1 SP3 or later and Lync Server 2010 via Direct SIP to offer the functionality required by the Microsoft UC Open Interoperability Program for enterprise telephony services and infrastructure. At least the following Microsoft Lync Server 2010 components are required in order to support this integration:
Server Infrastructure
Microsoft infrastructure (Domain Controller, Active Directory, DNS, etc.)
Microsoft Lync Server 2010 Standard or Enterprise Edition
Microsoft Mediation Server
Client
Lync 2010
2.1 Direct SIP
In Direct SIP integration, referred to as Enterprise Voice by Microsoft Lync 2010 users will have dedicated phone numbers that differs from those used in the MX-ONE.
Figure 2 - Direct SIP type of users
This enables the Lync 2010 client to make and receive external calls through a PC. The calls are routed from the Lync Server 2010 by the SIP trunk to the MX-ONE and further to the PSTN and vice­versa. MX-ONE and Microsoft Lync Server 2010 will behave as networked PBX’s, as typically is the case with all external trunks in the MX-ONE.
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2.2 Direct SIP signalling overview
Aastra MX-ONE supports SIP/TCP or SIP/TLS as the SIP transport mechanism when connected with Mediation Server. The ports used for such connections are:
SIP/TCP: 5060
SIP/TLS: 5061
SI
P
/T
5067
LS:
Figure 3 - Solution integration Direct SIP signaling
2.3 Direct SIP supported features
During the certification process the following Lync features were validated with MX-ONE Telephony Server software V.4.1 SP3.
Basic Call services between MX-ONE and Lync end-points over SIP trunks
Anonymous user calls
Caller ID on both sides
Decline call
Call forwarding and simultaneously ring feature
Inbound and outbound calls
Media bypass (a.k.a. direct media between MX-ONE and Lync clients). Encryption (TLS
and STRP) is required for this functionality.
Inbound call from MX-ONE user device to Lync client
Outbound call from Lync client to MX-ONE user device
Outbound call: Call Forward All (CFA) to another Lync client
Outbound call from Lync with by-pass enabled and CFA enabled to another Lync
user
Outbound call: PBX CFB (Call Forward on Busy) to another Lync user
Outbound call from Lync with by-pass enabled and CFB enabled to another Lync user
Conference
Failover (to secondary Lync gateway)
Security (support for TLS/SRTP encryption)
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3 Prerequisites
In order to have the proper integration between Aastra MX-ONE and Microsoft Lync Server using Direct SIP, there are some prerequisites on both sides that must be fulfilled.
3.1 MX-ONE requirements
On the Aastra MX-ONE side, at least one Telephony Server and one Media Gateway are required to interwork with Microsoft Lync Server 2010.

3.1.1 Main components:

At least the following MX-ONE components are required:
Aastra MX-ONE communications system
Telephony Server
MX-ONE Telephony Server V.4.1 SP3 or later
Supported media gateways with the latest compatible firmware with V.4.1 SP3
MX-ONE Classic - 7U 19-inch chassis, using IPLU or MGU boards or
MX-ONE Lite - 3U 19-inch chassis, using MGU board
Aastra 700 V.1.0.4 or later
Telephony Server
MX-ONE Telephony Server V.4.1 SP3 or later
Supported media gateway with the latest compatible firmware with V.4.1 SP3
MX-ONE Lite - 3U 19-inch chassis, using MGU board
Terminals
All current MX-ONE terminal types are supported with this integration:
SIP, H.323, analog, digital, DECT and mobile extension

3.1.2 Licenses

The Aastra MX-ONE licenses needed for this integration are:
SIP trunk licenses, please note that the quantity of licenses depend on how the system is deployed.
Encryption licenses are required if security is used.
Please always check with your Aastra partner that your system has the correct licenses, before beginning the integration deployment.
3.2 Microsoft Lync Server 2010
A Microsoft environment needs to be in place in the customer site. Note that the Microsoft Lync is not part of the MX-ONE offering. It is important that Microsoft competent engineers are used for installation and integration according to the MX-ONE configuration guidelines for the interface between the systems.

3.2.1 Main components

The main Microsoft components that are required to interconnect with Aastra MX-ONE are Microsoft Lync Server, the Mediation Server and the Lync client. The Lync requirements are found in the Microsoft Lync Server documentation, see the chapter References in the end of this guide.

3.2.2 Licenses

Microsoft licenses needed for this integration are not included as part of the scope of this guide. Please contact Microsoft or a qualified Microsoft partner to obtain the proper license requirements for each component of the Microsoft Lync Server solution.
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4 Installation and configuration
4.1 Installation

4.1.1 MX-ONE Installation

It is assumed that MX-ONE Telephony Server software V.4.1 SP3 or later is installed in the customer environment. The system installation is not covered in this guide and should be performed by a qualified Aastra certified partner prior to the start of the integration work. For Aastra MX-ONE installation, please check the appropriate CPI documentation.

4.1.2 Microsoft infrastructure

It is assumed that Microsoft infrastructure and Microsoft Lync Server are installed in the customer environment by a qualified engineer. For Microsoft infrastructure and Microsoft Lync Server requirements please check the appropriate Microsoft documentation.
4.2 Configuration
The following information was used in Aastra’s laboratory setup during the validation of the solution. The setup may change depending of the customer specific needs. Note that Fully Qualified Domain Name (FQDN) needs to be properly specified in the Domain Name System (DNS).
MX-ONE Telephony System V.4.1 SP3
IP address: 192.168.222.84
FQDN: mxone-lync.as.zr.zeruela.lab.se
Microsoft Domain Controller, Active Directory, Certification Authority and DNS Server:
IP address: 192.168.222.45
FQDN: lync-infra.as.zr.zeruela.lab.se
Lync Server Standard Edition and Mediation pool
IP address: 192.168.222.90
FQDN: lync-stand.as.zr.zeruela.lab.se

4.2.1 Direct SIP Setup

A SIP trunk has to be configured in Aastra MX-ONE as well as the access code for this route. The setup presented below uses TCP as transport protocol, in this case the destination access is expected to listening on port 5068 as default. This might be changed using SIP route parameter “remote port”. In order to secure a good interoperability between Aastra MX-ONE and Microsoft Lync Server 2010, Aastra recommend the use of “Forced Gateway”, because it will guarantee the same behavior for all type of calls passing through MX-ONE and going to Lync Server 2010.
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1) MX-ONE Direct SIP setup

The figure below shows the Direct SIP configuration used in this guide:
Microsoft® DC,AD, CA and DNS Server IP= 192.168.222.45 FQDN= lync-infra.as.zr.zeruela.lab.se
T
IP
S
R
P/
T
SR
Lync Server and Mediation Server IP= 192.168.222.90 FQDN= lync-stand.as.zr.zeruela.lab.se
SIP Traffic: TCP or TLS
SIP Traffic: TLS
SRTP/RTCP Traffic
RTP/TCP or SRTP/RTCP Traffic
S
L
P
C
T
SIP Trunk
RTP/TCP
TCP
Lync
Client
S
D
I
MX-ONE or A700 V.4.1 SP3 IP= 192.168.222.84 FQDN= mxone-lync.as.zr.zeruela.lab.se
o
N
e
R
t
u
o
P
S
I
r
PSTN / PLMN
or SIP operator
Figure 4 – Direct SIP detailed signaling
The following setup needs to be done in MX-ONE in order to configure Direct SIP, please note that only SIP Route definitions are showed.
SIP Route definition
Define SIP route category: ROCAI:ROU=99,SEL=7110000000000010,SIG=0111110000A0,TRAF=03151515,TRM=4,SERV=3100000 001,BCAP=001100; Define SIP route data #VARC d5=1 forced gateway RODAI:ROU=99,TYPE=TL66,VARC=00001000,VARI=00000000,VARO=00000950; Define SIP trunk data specific: Outgoing traffic: sip_route -set -route 99 -remoteport 5068 -protocol tcp -uristring sip:?@lync-stand.as.zr.zeruela.lab.se (or
192.168.222.90) Incoming traffic: sip_route -set -route 99 -accept REMOTE_IP -match 192.168.222.90 Codec Filtering: sip_route -set -route 99 -codecs PCMA,PCMU Define the SIP Route equipment initiate ROEQI:ROU=99,TRU=1-1; Define external destination SIP route data RODDI:ROU=99,DEST=99,ADC=0005000000000250000001010000,SRT=3;
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2) Lync Server 2010 configuration

In order to finalize the configuration between Aastra MX-ONE and Microsoft Lync Server 2010 the following needs to be done:
Define PSTN Gateway in the Lync Server 2010 Topology Builder
Open Lync Server 2010, Topology Builder and define a PSTN gateway in the Mediation Server to be used between Lync and MX-ONE.
To define the PSTN gateway, expand Mediation pools, right click in the Mediation Server to be used, Choose Edit Properties
Figure 5 – Meditation pools
Click in New, the Define New IP/PSTN Gateway dialog box appears, type the following:
Gateway FQDN or IP Address: specify the MX-ONE IP Address or FQDN
Listening port for IP/PSTN gateway: specify the port to be used, 5060
SIP Transport Protocol: TCP
Figure 5 - Define New IP/PSTN Gateway
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Publish the topology
Figure 6 - Publish topology
Define a Dial Plan
The Dial Plan configuration is required to allow Lync users to dial to MX-ONE terminals as well as PSTN. To define it, execute the following:
Open the Lync Server Control Panel
Click Voice Routing and choose Dial Plan
Define Normalization rules that fits your organization needs, at least a rule for Lync users
to dial to MX-ONE terminals and another for PSTN (assuming that MX-ONE is connected with the PSTN) is required. Please contact Microsoft for the appropriate setup for your company as needed
Figure 7 - New Normalization Rule, five digits example
Commit the changes
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Define Voice Policy A voice policy is required to make possible Lync users to dial out via the Direct SIP connection using MX-ONE. Lync client users need to be assigned for this policy afterwards. To create the Voice Policy:
Click Voice Routing and choose Voice Policy
Click in New and choose the type of policy that is applicable for your company setup, site
policy or user policy
Define a name and description for this voice policy
Figure 8 - New Voice Policy
Associate a new PSTN for this policy, click New
Define a name and description for this new PSTN usage record
Figure 9 - New PSTN Usage Record
Click New to associate a Route with this PSTN usage record
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Define a name and description for this New Route
Associate the MX-ONE gateway created previously with this New Route, to do it click Add
in Associated Gateways
Figure 10 - New route
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In the Select Gateway select the MX-ONE gateway created previously
Click OK for all questions in order to keep the configurations
Commit all changes
Figure12 – Select Gateway
Define Trunk Configuration In order to assign the MX-ONE gateway to a site or pool trunk execute the following:
Click in Voice Routing and then click in Trunk Configuration
Click in New and choose the type of trunk that is applicable for your company setup, site
trunk or pool trunk
Figure 11 - New Trunk configuration
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Select the Encryption support level, in this case, Not supported
Figure 12 - Encryption support level
Commit all changes
Now the setup is concluded, assign users with the Policy created previously and test the integration making calls between the systems. Please check Enable Users for Enterprise Voice setup in the link below:
http://technet.microsoft.com/en-us/lync/gg413011

4.2.2 Direct SIP with security and Media Bypass setup

The figure below shows the Direct SIP with security and Media Bypass configuration used in this guide:
Microsoft® DC,AD, CA and DNS Server IP= 192.168.222.45 FQDN= lync-infra.as.zr.zeruela.lab.se
TL
P
I
S
S
Lync
Client
Lync Server and Mediation Server IP= 192.168.222.90 FQDN= lync-stand.as.zr.zeruela.lab.se
SIP Traffic: TCP or TLS
SIP Traffic: TLS
SRTP/RTCP Traffic
SIP Trunk
TLS
S
D
N
I
MX-ONE or A700 V.4.1 SP3 IP= 192.168.222.84 FQDN= mxone-lync.as.zr.zeruela.lab.se
r
o
e
R
t
u
o
P
S
I
PSTN / PLMN
or SIP operator
Figure 13 - Security and Media bypass detailed signaling

1) MX-ONE Direct SIP with security and Media Bypass setup

The following setup needs to be done in MX-ONE in order to configure Direct SIP with security (encryption), please note that only SIP Route definitions are showed. Note that MX-ONE FQDN needs to be properly defined in the DNS Server. When using security an appropriate certificate needs to be installed in MX-ONE as well as the encryption licenses. Note that TLS/SRTP security is required for Media bypass functionality.
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SIP Route definition
Define SIP route category: ROCAI:ROU=98,SEL=7110000000000010,SIG=0111110000A0,TRAF=03151515,TRM=4,SERV=310000000 1,BCAP=001100; Define SIP route data #VARC d5=1 forced gateway RODAI:ROU=98,TYPE=TL66,VARC=00001000,VARI=00000000, VARO=00000950; Define SIP trunk data specific: Outgoing traffic: sip_route -set -route 98 -remoteport 5067 -protocol tls -uristring sip:?@lync-stand.as.zr.zeruela.lab.se
-fromuri sip:?@mxone-lync.as.zr.zeruela.lab.se Incoming traffic: sip_route -set -route 98 -accept REMOTE_IP -match 192.168.222.90 Codec Filtering: sip_route -set -route 98 -codecs PCMA,PCMU Define the SIP Route equipment initiate ROEQI:ROU=98,TRU=1-1; Define external destination SIP route data RODDI:ROU=98,DEST=98,ADC=0005000000000250000001010000,SRT=3;
Import the certificate to MX-ONE Telephony Server
Import the server certificate mx-one-certificate.pfx to MX-ONE Telephony Server. On the access Server, for example, Telephony Server 1 runs the following command:
Certificate installation
Install the certificate in the Telephony Server 1: cert_install_local mx-one-certificate.pfx

2) Lync configuration

In order to finalize the configuration between Aastra MX-ONE and Microsoft Lync Server 2010 the following needs to be done:
Define PSTN Gateway in the Lync Server 2010 Topology Builder Open Lync Server 2010, Topology Builder and define a PSTN gateway in the Mediation Server to be used between Lync and MX-ONE.
To define the PSTN gateway, expand Mediation pools, right click in the Mediation Server to be used, choose Edit Properties
Figure 14 - Mediation pools
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Click in New, the Define New IP/PSTN Gateway dialog box appears, type the following:
Gateway FQDN or IP Address: specify the MX-ONE IP Address or FQDN
Listening port for IP/PSTN gateway: specify the port to be used, 5061
SIP Transport Protocol: TLS
Figure 15 - Define New IP/PSTN Gateway
Publish the topology
Figure 16 - Publish topology
Define Dial Plan, Voice Policy Define Dial Plan, Voice Policy as explained previously in this guide.
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Define Trunk Configuration In order to assign the MX-ONE gateway to a site or pool trunk execute the following:
Click in Voice Routing and then click in Trunk Configuration
Click in New and choose the type of trunk that is applicable for your company setup, site
trunk or pool trunk
Figure 17 - New Trunk configuration
Keep the default Encryption support level, in this case, Required
Now the setup is concluded, assign users with the Policy created previously and test the integration making calls between the systems.
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5 Integration Notes
Please note that the following scenarios are currently not supported when MX-ONE is integrated with Lync Server:
REFER cases:
OC Client transfers the inbound call to another PSTN phone after answering it when
REFER is enabled
Result: Originating phone does not hear ring back during the transfer, but once the
PSTN phone answers the call two way voice paths is present
Solution: Disable REFER
Outbound Call: Blind transfer to another Client
Result: Originating phone does not hear ring back during the transfer, but once the
PSTN phone answers the call two way voice paths is present
Solution: Disable REFER
Inbound Call: Blind Transfer to PBX user
Result: Originating phone does not hear ring back during the transfer, but once the
PSTN phone answers the call two way voice paths is present
Solution: Disable REFER
Early Media before answer.
MX-ONE does not support sending DTMF as a part of early media.
6 References
Please always check the latest documentation. The links below are the ones available at the time of this guide was written.
Aastra CPI Documentation – Aastra MX-ONE V.4.1 SP3 and Aastra 700 V.1.0.4 or later.
Lync Server
Deploying Enterprise Voice
Enable Users for Enterprise Voice

7 Revision History

Document Version Comment Date
Rev. A First issue 2011-10-07
Rev. B Second issue 2011-12-01
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© 2011 Aastra Technologies Limited. All rights reserved.
This document contains proprietary information, which is protected by copyright. No part of this document may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, recording, or by any information storage and retrieval system, or translated into another language, without the prior written consent of Aastra Technologies Limited, Concord, Ontario, Canada.
NOTICE
The information in this document is subject to change without notice. AASTRA MAKES NO WARRANTY OF ANY KIND WITH REGARD TO THIS MATERIAL, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. AASTRA shall not be liable for errors contained herein, neither for incidental nor for consequential damages in connection with the furnishing, performance, or use of these materials.
Aastra Technologies Limited Concord, Ontario, Canada
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