Demystifying the Mediation Server Role Lync Server 2. The Mediation Server role sits under the radar in most organizations running Microsoft Lync Server 2. Lync server roles. Administrators tend to focus on the Front End Server, Back End Server, Monitoring Server, or Persistent Chat Server roles, as they are all important in their own right. However, a Mediation Server is required in Lync deployments that take advantage of such features as dial- in conferencing and Enterprise Voice. It has pretty much stayed the same since then, except for few enhancements.

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Let’s take a look at two key areas surrounding the Mediation Server role in Lync Server 2. Mediation Server architecture Mediation Server topologies Mediation Server Architecture The Mediation Server is considered the last point of contact for the Lync environment before communicating to the telephony world for audio communication, whether its ingress or egress Vo. IP calls to the Public Switched Telephone Network (PSTN) world. The Mediation Server is required for leveraging for inbound calls, outbound calls, and dial- in conferencing in a Lync 2. To listen for calls from the server, it uses Session Initiation Protocol (SIP) listening ports. Typically, port 5. Transport Layer Security (TLS) traffic coming from the Lync server.

To listen for calls from the gateway, it uses port 5. IP and PSTN traffic. All SIP signaling will traverse through the Front End Server and Mediation Server when in route to a PSTN gateway. Only when media bypass is enabled will calls bypass the Mediation Server, which means that the calls go from the Lync 2. PSTN gateway. When there's a PSTN gateway device local to where the call is being made, organizations will typically enable the Lync environment for media bypass to avoid having the media traverse the WAN to make a call. This improves call quality because it reduces the chance for latency, jitter, and packet loss, which naturally occurs when a Vo.

IP call travels through multiple hop points before the call reaches the endpoint receiving the call. When a Lync client is communicating with the PSTN world, the Mediation Server must translate Microsoft’s Real Time Audio (RTA) codec (which is a native Lync protocol for audio traffic) to the industry standard codec of G7. Figure 1 shows. The connectivity to the PSTN gateway is important, as it enables end users to make calls and lets administrators know when calls aren't possible in a particular route. The Mediation Server sends out SIP OPTIONS requests continuously to try to communicate with its next hop.

For example, in Figure 1, the next hop would be the IP- PBX gateway. In the event that the next hop isn't available, the Mediation Server will signal back to the Front End Server that the next hop is no longer accepting requests. Routing timeouts. After the Front End Server learns that a Mediation Server isn't able to connect successfully to the next hop (e. IP- PBX gateway in Figure 1), the Front End Server marks that Mediation Server as unavailable for routing calls.

At this point, the Front End Server will choose an alternative path based on the appropriate dial plan to which the user belongs. A collocated Mediation Server can handle up to 1. Mediation Server can handle up to 1,1. With this deployment, you need to take into consideration the extra load that the call processing for Enterprise Voice users will have on the Front End Server. CPU is important with this deployment approach and shouldn’t be overlooked or skimped on.

This approach isn't the default, so you need to choose the standalone option during configuration. Afterward, you need to define a pool that contains the logical names of the mediation servers to which the possible SIP Trunks will connect. Curl To Download File From Nexus Definition. DNS load balancing or routing traffic equally to all Mediation Servers will required for the mediation pool. With each Lync edition becoming more prevalent as a PBX replacement, the ability for users to make and receive phone calls with their Lync clients and call into Lync conferences from PSTN devices such as cell phones is becoming almost a necessity in organizations today. The Mediation Server in Lync 2.

Excel 2016 includes a powerful new set of features called Get & Transform, which provides fast, easy data gathering and shaping capabilities. Get & Transform enables. HSBC Holdings plc (Hongkong and Shanghai Banking Corporation) is one of the world's largest banking and financial services organisations. HSBC Holdings plc is the.

Lync environment and the way users interact as a whole. Installing Ceramic Tile Over Wood Floor.

Get & Transform in Excel 2. Excel 2. 01. 6 includes a powerful new set of features called Get & Transform, which provides fast, easy data gathering and shaping capabilities. Get & Transform enables you to connect, combine, and refine data sources to meet your analysis needs. These features are also used in Power BI, and in the Power Query Add- In available for previous versions of Excel.

Note: Before diving into details, you might want to take a step back and watch a video, or take our learning guide on Get & Transform and Power Pivot. Connecting to and transforming data often follows a few common steps: While some data analysis efforts focus on a few of these steps, each step is important in the data analysis and transformation process. For more about Get & Transform and the data analysis process, and to see an example of these steps in action using Excel 2. Getting Started with Get & Transform in Excel 2. Tip: Using a previous version of Excel? If so, take a look at Power Query - Overview and Learning for an overview based on previous versions of Excel with the Power Query Add- in. The content and premises are similar but some screens and steps are slightly different, and we want you to clearly see how these features work in your version of Excel.

To see these features in action in previous versions of Excel, take a look at Getting Started with Power Query. Your Resources The following links and information can get you started, and help you understand these new data import and transformation features in Excel. The sections and links are presented in the order you’d need if you were just starting out – the first link describes where to find the new functionality in Excel, the next section points you to a Getting Started Guide, and then you find links to tutorials, and community connections. We update these links when additional resources are available, so check back often. How do I use Get & Transform?

To use Get & Transform in Excel 2. A query enables you to connect to, preview, and transform data from a wide variety of available data sources. You can then load that transformed data into a table, or into the built- in Data Model in Excel 2. You can also edit the query whenever you need to, and share your query, too. For more information, and to see these steps in action, take a look at Getting Started with Get & Transform Data in Excel 2. The Getting Started with Get & Transform in Excel 2.

Excel 2. 01. 6, with understandable categories and steps that show you how to create a query, and also how to share it. Tip: The collection of data import and transformation features available in the Get & Transform ribbon group in Excel 2. Microsoft products.

These features are often referred to as Power Query. Many links in the following sections refer to Power Query, and the functionality described in those articles also applies to the collection of features in the Get & Transform group in the Data ribbon of Excel 2.