![]() Lync Integration with Polycom SIP Phones : Jeff Schertz's Blog. December 5, 2. 01. Jeff Schertz . Normally the connecting endpoint must trust the certificate authority which issued the server certificate that is used by the Lync registrar service. Typically the Windows Lync client will automatically trust the Lync server as that server’s certificate is most often issued by an internal Enterprise Windows CA. The Enterprise (versus Standalone) term is important as that indicates that the Root CA’s certificate (thus its public key) is AD- integrated by default and all domain members, servers and workstations alike will inherently trust that CA. Furthermore native Lync Phone Edition devices will automatically download this same certificate during initial provisioning processes. Retrieving the CA Certificate Hash. In order to configure this same trust relationship with the Polycom SIP phones the CA certificate will need to be manually provided to the phone as part of the provisioning process. Note: Be aware that this does not mean the Lync server certificate itself is used, which is a common misunderstanding. ![]() Although all usages should normally have the same certificate assigned look for the Use: Default entry to identify the certificate assigned to the SIP registrar on the Lync Server. Select the root certificate at the top of the tree and click View Certificate. Select the Details tab in the new window and verify the Subject Name matches the CN field from the Issuer value in the previous Get- Cs. Certificate output. In the export wizard select Base- 6. X. 5. 09 (. CER) as the Export File Format. Save the exported file (e. Configuration. Now that the certificate information has been retrieved then the next step to configuring a standard SIP phone is to prepare an XML configuration file with all of the Lync- specific settings which will be imported directly into the phone using the web management interface. Creating a Device Configuration File. The following text can be used to create a sample XML configuration file which can customized and then imported directly into the phone to provision all of the required Lync- specific settings. This template is divided into a few branches which are totally irrelevant to it’s actual operation. The second grouping of settings under Registration contains the only other settings which must be modified and these would be global across all devices in the environment so they only need to be configured once. Paste the clipboard contents directly into the sec. TLS. custom. Ca. Cert. Update the vo. Ip. Prot. server. 1. address attribute to use the Lync registrar FQDN for the specific environment. ![]() This can be a Standard Edition or Enterprise Edition Front End server or a Director server. Save the changes to the configuration file and store in a location Importing the Configuration File. For this example a Polycom Sound. Point IP 6. 50 SIP handset is used although the steps are similar for any supported device running the UC 4. To access the Polycom Web Configuration Utility for the phone simply enter http: //< IPaddress> in a web browser using the IP address of the phone. Enter the Admin device password and then navigate to the Utilities > Import & Export Configuration menu. A response of “Configuration file imported successfully” should be reported almost immediately, followed by the phone rebooting itself automatically. Storing User Credentials. After the device is finished rebooting the username portion of the SIP address should be displayed in the primary line soft key tag. Press the Submit key and registration to Lync should be reattempted automatically. Lync Feature Integration. The official documentation covers each of the supported features within the 4. Lync user might perform from their phone. To control the Lync user’s current presence state press the My. Stat button to view or change the current presence state. To view the user’s Lync contact list select the Buddies button. To retrieve voice mail messages press the Messages button and then open the Message Center and select Connect to place a call to the Exchange Subscriber Access number. EXPERTS IN NETWORKS: providing WiFi, routers, access points, switches, cables, firewalls, VoIP, and data cabinets to small business and installers. Find out how Broadvoice became a leading provider of hosted voice, data, unified communications (UC) and SIP trunking services for businesses all across America. Filed under Lync, Voice. Learn more about the innovative cordless phones available from VTech, and see why ours are among some of the best-selling phones in the market. Get a free SIP account for voice and video calling over the internet. Register your SIP address with any VoIP phone or use our free webphone for secure calling. ![]() ![]() ![]() Telephones Online sell Digital Cordless Phones, Home Phones and DECT Telephones and offer free delivery to UK. Digium IP phones are the first business VoIP phones designed specifically for Asterisk. Plug & play deployment, HDVoice and available at a price for any budget. ![]() ![]() ![]() ![]()
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