Figure 6-23 You can also automatically open the

Figure 6-25 Although we have covered the Live Communications Server account configuration, there are other account-related configuration options, as shown in Figure 6-26. To provide the remote call control feature, the MOC needs to send control commands to the phone system. This is done through the use of a third-party gateway, or directly through the phone system that supports the SIP CSTA. The MOC client will need to know how to access the gateway or phone system. You can configure this information on the client AD entry, or you can have the client set it up manually on the client side. The conferencing information is for conference service from a service provider such as MCI or British Telecom. When you are in a multiple-party IM session in MOC, you have the option to turn this text communication into a phone conference simply by clicking a button on the MOC. Using the information you put on this Accounts tab, MOC will send the request with your account information, and the information of all the parties in your IM session, to the service provider. The service provider phone system will automatically call all the parties in your IM session and establish a conference call bridge. You don t need to send any conference call information to anyone just click a button. To configure this option, you need the appropriate information from the service provider, after which you can establish Live Communications Server federation communication with that provider. The last tab is the Rules tab. You can change the setting according to your needs. You can see that you can actually control a lot of integration with Microsoft Exchange/Outlook inside MOC. You can even pause the Windows Media Player while you are using the PC for audio/video communication. 164 Chapter 6

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Figure 6-23 You can also automatically open the

specifically added to your list as allowed to see your presence, he or she will not see your presence. For most users, Notify on All Other Contacts will be a good option. Senior staff members who may not want everyone to see their presence can select Block on All Other Contacts, so only those who are specifically allowed on the list will see their presence. Figure 6-24 Another interesting tab is the Phones tab, shown in Figure 6-25. There are two phone-related options on this tab. The first specifies the default device for calling phone numbers. If you select Phone as your calling device, when you call a phone number, MOC will actually instruct the phone system to call the number using the desk phone that is integrated using remote call control. If you select Computer as your calling device, when you call a phone number, MOC will use the computer to capture and play audio information. The audio signals will be sent to a SIP gateway and passed on to the telephone world. This is similar to the way most of the VoIP providers behave. The only difference is that with Live Communications Server and MOC, you are doing it inside your corporate network. The second phone-related option is the configuration for call forwarding. Using the same remote call control capability mentioned previously, you can actually forward your desk phone from the MOC client. You can either turn off call forwarding or forward it to a particular number you have specified on the Personal tab. Even better, you can forward your call based on your location. You can select not to forward while you are using the computer, or forward the call only when you are using the computer. You can even forward the call only when the computer is idle, which means you are most likely away from your desk. 163 Configuring Live Communications Server 2005

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Figure 6-23 You can also automatically open the

Figure 6-23 You can also automatically open the main windows when Communicator starts. Users will receive a pop-up notification automatically, to give the client more desktop real estate for the user, so it is recommended that you not open the main window every time. You can also select a location to receive incoming files from MOC file transfer. By default, it will create a My Received Files folder under the My Documents folder to hold these files. If you have the Multiple Languages Pack for MOC installed on the client, and you have the proper code pack and fonts installed, you can simply select from different languages in the Language option. Once you restart the MOC, it will start with that language interface for you. The last option in the tab is the Quality option, which enables your MOC clients to send some usage information back to Microsoft, which they can use to improve the product in the future. In addition to the General settings, you can select fonts and emoticons in your instant messages, and you can configure different alerts. However, it is more important to understand the impact of the Permissions settings (see Figure 6-24). By default, MOC is set to have All Other Contacts on Notify. That means when someone wants to add you to his/her contact list, you will get a notification. If you deny it, this person will not be able to see your presence. The other two options are Allow and Block. When you select Allow, everyone other than those you specifically added to the block list will be able to add you to their contact list. You will not know who is watching your presence information. If you select Block, unless the other party is 162 Chapter 6

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Figure 6-18 Figure 6-19 Configuring Microsoft Office Communicator

If your LCS server is configured for TCP connection, you can add the server name or IP address of the server, and select TCP as your connection method. If your LCS server is configured for TLS connection, add the FQDN of the server, and select TLS as the connection. By default, when you select TCP, your MOC client will try to connect to the server using port 5060. If you select TLS, the default port will be 5061. In some cases, you may have to configure your Live Communications Server to listen on a different port number. If that is the case, you can force the MOC to connect with a particular port using the syntax FQDN:PortNumber. For example, adding Live Communication ServerAccessProxy.company.com:443 forces the MOC to try to establish a connection to port 443 of the Access Proxy server. Once your MOC can connect to the Live Communications Server, you can manually configure other options on the client. Access the Options dialog box shown in Figure 6-22 by selecting Actions.Options. Figure 6-22 The first tab in the configuration options is the Personal tab. Here you can add the phone number you want MOC to use. This is important, as you may want to use MOC to forward incoming phone calls to one of these numbers. You can also select to publish the number to the MOC Address Book, or you can just keep it to yourself. The General tab, shown in Figure 6-23, controls some of the common settings. For example, you can select to automatically run Communicator when you log on to Windows. Because the main purpose of Live Communications Server is to function as a real-time communicator, it is highly recommended that you select this option. 161 Configuring Live Communications Server 2005

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Figure 6-18 Figure 6-19 Configuring Microsoft Office Communicator

Figure 6-18 Figure 6-19 Configuring Microsoft Office Communicator After you have installed Microsoft Office Communicator, you can configure it to allow connectivity to the Live Communications Server environment. If you have automatic client configuration set up properly in your environment, all you need to do is add your sign-in name (see Figure 6-20). If you don t have automatic configuration established in your Live Communications Server environment, click the Advanced button and manually add the Live Communications Server connection information in the Advanced Connection Settings dialog box, shown in Figure 6-21. 159 Configuring Live Communications Server 2005

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You need to put the wildcard * on

Figure 6-17 There is a Host Authorization tab on the pool s Properties. Use these steps to manage the settings of the Host Authorization tab: 1. Open the LCS Management Console and right-click on an LCS pool. 2. Select Properties and click on the Host Authorization tab, shown in Figure 6-18. In order for the Live Communications Server to accept the SIP communication coming in to the server, it must be coming in from a trusted source. If you expect SIP communications from any kind of gateway, you need to add this gateway to the list of authorized hosts on the Host Authorization tab. To add a trusted host, just click the Add button and fill in the form shown in Figure 6-19. If this is for a routing with IP addresses on the Routing tab, use IP address. If this is a routing with host name and MTLS connection, make sure you put in the FQDN of the target host. In most cases, you will check only the Throttle As Server and Treat As Authenticated checkboxes, and leave the Outbound Only unchecked, so Live Communications Server will accept inbound SIP messages from the gateway. Usually, you will have a matching host authorization entry for every route you add that has an endpoint that is not an LCS server. 158 Chapter 6

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You need to put the wildcard * on

An increasing number of gateways are supporting SIP over TLS; if you have one of these gateways, you can simply go directly from the Live Communications Server home server/pool without worrying about encryption issues. The other phone integration is Remote Call Control (RCC) integration (also called Third-Party Call Control, or 3PCC). In fact, strictly speaking, this is not a VoIP integration; there is no voice over IP. All you are doing is establishing a communication between your phone system and your Live Communications Server environment so that you can control your phone, which is connected to the phone system, and you will get information on your phone directly on the MOC client. To have RCC features, you need to have a gateway that connects your Live Communications Server environment to the phone system. This gateway translates the CSTA request inside SIP to the API that your particular phone system can understand. Different phone systems may behave a little differently. If you have many phone systems in your organization, make sure you find a gateway vendor who can handle all the different types of systems, and that you can effectively manage them. Each client is assigned a particular gateway according to the phone system to which they belong. The Live Communications Server user administrator can put this information on the Active Directory for the users so they don t have to configure it on the MOC client side (see Figure 6-16). Figure 6-16 Once you set up the client setting, all you need is routing from the Live Communications Server home server/pool to the RCC gateway server. Different from the PC-to-phone setting, the routing is based on the targeted gateway server. Instead of putting in a wildcard for the target host, you need a route, as shown in Figure 6-17. 157 Configuring Live Communications Server 2005

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You need to put the wildcard * on

You need to put the wildcard * on both the user and domain, and check the Phone URI checkbox. This checkbox will enable the server to detect all SIP requests related to PC-to-phone requests, and route them to the SIP/PSTN gateway. In this setup, we are routing the call directly to the gateway using the IP address, to the port 5060. We also selected Replace host in request URI ; this way, we can be sure that the gateway knows that the request is from this server. In this configuration, the target gateway only speaks to SIP over TCP on port 5060; that means your Live Communications Server servers also have to listen to SIP over TCP, most likely on port 5060. To secure your LCS communications, you can put the connection on a LCS server that has no users homed on it for example, a director server and only open port 5060 to list to TCP connections on this Live Communications Server director server. Any users who try to connect to the director server using TCP will be connected on TCP, but the director server will then redirect them to connect to port 5060 of the Live Communication Server home server/pool, and that connection will fail. This way, you don t have to worry about any unencrypted IM traffic in your Live Communications Server environment. If you want to use such a design, you need a different routing on the home server than on the director server. It will look something like what is shown in Figure 6-15. Figure 6-15 You can see that the Matching URI is still the same, but the target is now the FQDN of the director server. You select TLS (actually MTLS) as your transport, and use 5061, the default port, for the communication. Make sure the Replace host in request URI option is checked on every LCS server on the route, so that the SIP/PSTN will send the response back only to the director, which is the only LCS server listening on port 5060. 156 Chapter 6

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Figure 6-11 You can also select to make

The capability of the Live Communications Server client to make a PC-to-phone call has actually been available ever since Live Communications Server 2003; the configuration hasn t changed too much. To make PC2Phone calls, all you need is a SIP-to-PSTN gateway on your IP network. Then, you configure your LCS server routing so it can route the requests to the gateway. Many companies, such as Cisco, Net.com, and Audiocode, use a SIP-to-PSTN gateway. On one side of the gateway is an IP connection to the computer network, and on the other side of the gateway you can have different types of connections ranging from T1, E1, and analog/digital phone lines to the phone system. The idea is that the SIP protocol will be used from the MOC client to Live Communications Server, and then to the gateway, to establish the call. The audio information will move directly between the MOC client and the gateway. The gateway uses the signaling information to make a call on the phone system, and passes the audio information back and forth from the phone system. On the client side, you need to make sure you have the right registry setting. Please be careful when editing the registry, as any changes can affect your machine permanently. To access the registry editor on a given machine, select Start.Run and enter REGEDIT. The Registry Editor will then open. In order for the MOC client to make PC-to-phone calls, you need to add the EnablePC2phone REG_DWORD with the value of 1, under HKLMSoftwarePoliciesMicrosoftCommunicator. The best way to confirm that your audio/ video device is working perfectly is to use the Audio and Video Tuning Wizard. The wizard will walk you through the necessary steps to verify that your audio/video equipment is working with the MOC client. On the server side, you need to make sure routing is set up for the PC2Phone call. You can set up your server to talk directly to the SIP/PSTN gateway, or you can set it up so it goes through an LCS server. We will discuss the reason for each option, but the configuration is similar in both cases. You need to set up static routing so the Live Communications Server knows how to route any PC2Phone call request. Routing is a pool-level setting; simply access the Properties of the pool, and then select the Routing tab. You can add a static routing by simply using the Add button, after which you will see the dialog shown in Figure 6-14. Figure 6-14 155 Configuring Live Communications Server 2005

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