Table of Contents
This configuration guide provides instructions for activating and validating the Presence Reporting feature for non-Skype for Business® 2015 (SFB2015) endpoints on the Sonus SBC Edge (1000/2000) (Session Border Controller). Please refer to other available configuration guides for general guidelines regarding SfB 2015 and SBC configuration setup and call flows.
This configuration guide supports features identified in Microsoft Technet.
- For additional information on Skype for Business 2015, please visit https://www.skype.com/en/business/
- For additional information on Sonus SBC, please visit http://sonus.net.
The interoperability compliance testing focuses on verifying the presence reporting associated with SBC 1000 non-SfB 2015 subtended endpoints while engaged/not engaged in calls in a SfB 2015 environment. While all the examples refer to the SBC 1000, please note the instructions and resulting behavior are also applicable to the SBC 2000.
|28.12.2016||Ilija Dameski||Initial Draft|
This is a technical document intended for telecommunications engineers with the purpose of configuring both the Sonus SBC Edge and the Skype for Business infrastructure. There will be steps that require navigating third-party as well as the Sonus SBC Edge Command Line Interface (CLI). Understanding the basic concepts of TCP/UDP, IP/Routing, and SIP/RTP are also necessary to complete the configuration and for troubleshooting, if necessary.
This configuration guide is offered as a convenience to Sonus customers. The specifications and information regarding the product in this guide are subject to change without notice. All statements, information, and recommendations in this guide are believed to be accurate but are presented without warranty of any kind, express or implied, and are provided “AS IS”. Users must take full responsibility for the application of the specifications and information in this guide.
The following equipment and software were used for the sample configuration provided:
Equipment Software Version
Vendor Sonus Networks SBC 1000 V6.0.0build435 Third-party Microsoft Microsoft Skype for Business 2015 (Skype 2015) Server 6.0.9319.0 Polycom Polycom VVX310 SIP Phone 220.127.116.1182 Polycom Polycom VVX410 SIP Phone 18.104.22.16882 Polycom Polycom VVX500 SIP Phone 22.214.171.12482 Polycom Polycom VVX600 SIP Phone 126.96.36.19982
The following reference configuration shows connectivity between Skype for Business infrastructure, the Sonus SBC 1000, and subtended non-SfB 2015 endpoints (Polycom VVX SIP phones) for which the SBC 1000 will publish presence related information.
For any questions regarding this document or the content herein, please contact your maintenance and support provider.
Third-Party Product Features
The following call flows are supported:
- Call from PSTN to analog phones*: PSTN → SBC → analog phones*
- Calls from analog phones* to PSTN: analog phones* → SBC → PSTN
- Calls from analog phones* to analog phones*: analog phones* → SBC → analog phones*
- Presence Feature: Presence status updates for analog phones* on SFB2015 clients
*Please note the analog phones are the Polycom VVX SIP-based phones listed in Table 1, as opposed to an FXS based phone. These Polycom endpoints are considered as "analog" clients from the perspective of the Skype for Business Server 2015, as documented at https://technet.microsoft.com/en-us/library/gg398314(v=ocs.14).aspx
The following SBC 1000 licensable features are required for the documented scenarios to work as described:
- SIP Calls (minimum of 1 license)
- SIP Registrations (minimum of 1 license)
Please refer to https://support.sonus.net/display/UXDOC61/Viewing+Licenses for a description of licensable features, and for follow-on references regarding license acquisition and submission.
Skype Server 2015 Configuration for Presence Feature
The following configuration steps are provided to configure Skype for Business Server 2015 to interoperate with the Sonus SBC 1000/2000. Skype for Business Server 2015 environment should have been setup prior to undertaking these specific steps according to the direction posted at https://technet.microsoft.com/library/gg398616(v=ocs.16).aspx .
In Skype Server 2015, start the Windows Power Shell (point to the Windows Start menu, click All Programs, and then click Windows Power Shell).
To create new instance of presence application and trusted application pool you can use the following command:
#Create the application pool
New-CsTrustedApplicationPool -Identity powder230.sfb.tst -Registrar cspool.sfb.tst -Site 1
#Create the trusted application
New-CsTrustedApplication -ApplicationId powder230.sfb.tst -TrustedApplicationPoolFqdn powder230.sfb.tst -Port 5061
The preceding command will create presence application and trusted application pool. Parameters for this command are:
- Identity - FQDN of the SBC providing presence updates to Skype Server.
- Registrar - FQDN of the Registrar service for the pool.
- Site - Site Id obtained in Get-CsSite
- ApplicationId - The name of the application.
- TrustedApplicationPoolFqdn - The FQDN of the trusted application pool created in Create a Trusted Application Pool.
- Port - The port number on which the application will run (5061).
Once the commands are accepted, the SFB2015 structure will recognize and support the reporting of presence associated with the phone number +1222111333, currently set to display as user "PrgSkype3".
Sonus SBC 1000/2000 Configuration
The following steps provide an example of how to configure Sonus SBC 1000/2000:
1. SIP Profile
Select Settings > SIP > SIP Profiles
SIP Profiles control how the Sonus SBC 1000/2000 communicates with SIP devices. These control important characteristics such as session timers, SIP Header customization, SIP timers, MIME payloads, and option tags. The following figure shows the default SIP profile used for the SBC 1000/2000 for this testing effort:
2. SBC Certificates
Select Settings > Security > SBC Certificates > Sonus Certificate
By default, after having initialized the Sonus SBC 1000/2000 system for the first time, or after a factory reset, the Sonus SBC 1000/2000 system is pre-configured with a Self-signed Server Certificate.
The process of installing a new Signed Certificate on the Sonus SBC 1000/2000 comprises two general steps which must be followed in this specific order:
3. TLS Profiles
Select Settings > Security > TLS Profiles
After the Sonus SBC 1000/2000 obtains the required certificates, configuration of several options/attributes on both the server and client is necessary before TLS can employ the certificate(s) in establishing a secure connection. The attributes are configured in TLS profiles. Attributes include, but are not limited to, such things as Client Ciphers, and inactivity timeouts.
4. SIP Server Tables
Select Settings > Security > SIP Server Tables
SIP Server Tables contain information about the SIP devices connected to the Sonus SBC 1000/2000. The entries in the tables provide information about the IP addresses, ports, and protocols used to communicate with each SIP server. The entries also contain links to counters that are useful for troubleshooting.
5. Node-Level SIP Settings
Select Settings > SIP > Node-Level SIP Settings
The Node-Level SIP Settings feature enables SIP options to be configured that apply to the SBC 1000/2000 at the node level.
6. Authentication and Directory Services
Select Settings > Auth and Directory Services > Configuration
Select Settings > Auth and Directory Services > Domain Controllers
7. Media Profile
Select Settings > Media > Media Profiles
Media Profiles specify the individual voice and fax compression codecs and their associated settings for inclusion into a Media List. Different codecs provide varying levels of compression, allowing the reduction of bandwidth requirements at the expense of voice quality. The following figures are the media profiles of the voice codecs used for the SBC 1000/2000 in this testing effort and are shown for reference only:
8. Media List
Select Settings > Media > Media List
The Media List shows the selected voice and fax compression codecs and their associated settings.
9. Transformation Table
Select Settings > Transformation
Transformation Tables facilitate the conversion of names, numbers and other fields when routing a call. For example, Transformation Tables can convert a public PSTN number into a private extension number, or into a SIP address (URI). Every entry in a Call Routing Table requires a Transformation Table, and are sequentially selected from there. In addition, Transformation tables are configurable as a reusable pool that Action Sets can reference.
10. Action Configuration
Select Settings > Call Actions > Action Configuration
Action Configurations are the individual steps (actions) that make up an Action Set (Action Sets allow you to perform additional actions before routing a call). Through Action Configuration, you create an Action (such as Route Call, Send Connect, Detect CNG, etc.) and assign a Routing table to perform that action.
. Actions Sets11
Select Settings > Call Actions > Actions Sets
Action Sets allow you to perform additional actions before routing a call; they provide the capability to perform a high degree of number normalization before engaging the call router. They are comprised of a number of Actions, which must first be defined in Action Configurations. Once created, an Action Set Table is a sequence of steps to follow to route a call. To use an Action Set, select it from the Action Set Table field in a Signaling Group entry. We use Actions Sets to enable the presence reporting feature.
12. Call Routing Table
Select Settings > Call Routing Table
Call Routing allows calls to be carried between signaling groups, thus allowing calls to be carried between ports, and between protocols (like ISDN to SIP). Routes are defined by Call Routing Tables, which allow for flexible configuration of which calls will be carried, and also how the calls are translated. These tables are one of the central connection points of the system, linking Transformation Tables, Message translations, Cause Code Reroutes, Media Lists and the three types of Signaling Groups (ISDN, SIP and CAS).
Select Settings > SIP > Local Registrars
SIP provides a registration function that allows users to upload their current locations for use by proxy servers. Registration creates bindings in a location service for a particular domain that associates an address-of-record URI with one or more contact addresses. The registration feature is required to properly support the Polycom VVX endpoints from the SBC 1000.
14. Local/Pass-Thru Auth Table
Select Settings > SIP > Local/Pass-through Authorization Tables
Local Pass-through Tables contain entries with information about SIP endpoints. The SBC Edge uses this information to challenge SIP request messages such as REGISTER. It is used in the SIP Signaling Group when the Challenge Request is enabled.
15. Signaling Groups
Select Settings > Signaling Groups
Signaling Groups allow telephony channels to be grouped together for the purposes of routing and shared configuration. These groups are the entity to which calls are routed, as well as the location from which Call Routes are selected. These are also the location from which Tone Tables and Action Sets are selected. In the case of SIP, this will specify protocol settings and link to server, media, and mapping tables.
VVX Phone Configuration
Figures 25 and 26 present the configuration of the Polycom VVX phone assigned the +1222111333 phone number, associated to the email@example.com Skype user in AD. For the VVX phones, we must undertake the configuration of the SIP server and Outbound Proxy towards the SBC 1000 as the "home" server. Additionally, we need to configure the authentication and identification information as configured in the Local/Pass-Thru Auth Table of the SBC 1000.
|1||Call from PSTN to "analog" phones: PSTN -> SBC -> "analog" phones||Presence information for the analog phones when the call was established was updated from "free" to "busy". When the call was ended, the presence for was set to "free".||Pass|
|2||Calls from "analog" phone to PSTN: "analog" phone -> SBC -> PSTN||Presence information for the analog phones when the call was established was updated from "free" to "busy". When the call was ended, the presence for was set to "free".||Pass|
|3||Calls from "analog" phone to "analog" phone: "analog" phone -> SBC -> "analog" phone||Presence information for the analog phones when the call was established was updated from "free" to "busy". When the call was ended, the presence for was set to "free".||Pass|
Status of the analog phone during test cases execution
Status of the analog phone on SFB2015 clients when not engaged in a call , i.e. before test case 1 is run.
Status of the analog phone on SFB2015 clients when engaged in a call , i.e. while test case 1 was running.
Status of the analog phone on SFB2015 clients when the call was over, i.e. after test case 1 was completed
These Application Notes describe the configuration steps required for Sonus SBC 1000/2000 to successfully interoperate with Skype for Business 2015. All feature and serviceability test cases were completed and passed with the exceptions/observations noted in Test Results.