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Daniel Hall
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How To Download Cisco Callmanager 8.0



Since the phone downloaded the CTL and ITL files, from this point on it ONLY requests signed configuration files. This illustrates that the phone's logic is to determine that the TFTP server is secure, based on the presence of CTL and ITL, and then to ask for a signed file:




How To Download Cisco Callmanager 8.0


Download: https://www.google.com/url?q=https%3A%2F%2Fjinyurl.com%2F2ucC6C&sa=D&sntz=1&usg=AOvVaw3foWTtnftR_1oSPoycIdct



I'm flagging your response as the correct one, despite being able to test it. I'm very confident that it is, however, our server is shutdown and drives have been removed. I appreciate those links, and wish I would have known about being able to download that disk. It would have saved us a lot of trouble earlier. I'll keep that in mind for later though. To the community, I appreciate all the help and support. Thank you.


A. Ensure TVS Port 2445 is open in your network. Whenever you plan to move your cluster to CUCM 8.x for the upgrade, ensure TVS Port 2445 and TLS protocol allowed just in case if you have highly secured network. If these ports are blocked, phones will not be able to contact TVS server and will fail to download the ITL files and phones will not get registered.


A. No drawbacks. Only time that you want to use this is when you move from one version to another version and from one cluster to another cluster, so the phones get the TVS /ITL files and register. Once the registration is over, you need to change the parameter to false and restart the TFTP and Cisco CallManager service so that they download the ITL files with exact certificates.


A.\u00a0Phone will get new firmware from the TFTP Server.\n\u00a0\nQ. Is CTL not required if we move from 7.x to 8.x and if we have a secured cluster?\nA.\u00a0CTL file is still required for Media and Signaling encryption. The ITL file is introduced to reduce burden over the phone to verify certificates. TFTP keys (certificates and private key) are by default part of DRS backup as the Cisco CallManager Platform component.\n\u00a0\nQ. What happens if we do not have an Internet connection at that moment?\nA.\u00a0You really do not need to have an internet connectivity available at that moment. Once you have the specific certificate being installed in the cluster of the CUCM, then you do not need to go back to identify the certificate since you already have the authority with the root certificate installed on your Cisco CallManager.\n\u00a0\nQ. If a customer is using UC Proxy on their phones (over the Internet), will they will still need CTL files?\nA.\u00a0Yes, CTL file is always required for Media and Signaling encryption.\n\u00a0\nQ. Which two certificates should not be regenerating at the same time?\nA.\u00a0CUCM + TFTP and TVS.\n\u00a0\nQ. Do UC applications such as Cisco Jabber for iPhone use ITL file?\nA.\u00a0All the end points by Cisco support ITL file. For more specific information about this question, please check the \u201cAsk the expert session\u201d to get the exact answer from the Experts.\n\u00a0\n\u00a0\nQ. Do\u00a0we need to choose some options or by default, is TFTP key backup included in DRS backup?\nA.\u00a0TFTP keys (certificates and private key) are by default part of DRS backup as Cisco CallManager Platform component.\n\u00a0\nQ. Is deleting the CTL and ITL files on every phone a manual, phone by phone process that must be done in person\/at the phone itself?\nA.\u00a0Yes, this is very rare scenario but it is manual operation at phone. However, this is being enhanced to handle centrally by CUCM in an upcoming version of CUCM.\n\u00a0\nQ. What are the Ports that need to be open?\nA.\u00a0Ensure TVS Port 2445 is open in your network. Whenever you plan to move your cluster to CUCM 8.x for the upgrade, ensure TVS Port 2445 and TLS protocol allowed just in case if you have highly secured network. If these ports are blocked, phones will not be able to contact TVS server and will fail to download the ITL files and phones will not get registered.\n\u00a0\nQ. What is Mixed mode cluster?\nA.\u00a0Well, you run CTL client and get your cluster in Mixed mode.. To have secure communication, you can decide and use phone security profiles enable security on certain phones. You can enable security profile for certain phones like CEO\/CTO\u2019s phones and non-secured for other normal phones like lobby phones and this is nothing but the Mixed mode.\n\u00a0\nQ. What is phone hardening?\nA.\u00a0Phone Hardening is nothing but disabling some of the features on the phone, for example, disabling the web access http\/https, disabling the phone settings to the end users, disabling the voice VLAN access settings and disabling the PC port setting. You can do it by accessing the Phone device or by using the BAT tool. Refer this link for more information,\nhttp:\/\/www.cisco.com\/en\/US\/docs\/voice_ip_comm\/cucm\/security\/7_0_1\/secugd\/secu_ph.html\n\u00a0\nQ. How do we know a Certificate has or is about to expire?\nA.\u00a0In CUCM OS Administration Page, there is a feature called Service Monitor, which you can define the Alarm and trigger it when the Certificate will be expired and the frequency of the alarm. This sends an alarm before one month and you can monitor using RTMT and also you can send it to the e-mail alias.\n\u00a0\nQ. Do we need to install 3rd Party certificates on all nodes in cluster ?\nA.\u00a0No, the certificate will be replicated to the Trust Store of all the nodes & the change notification service will inform the TVS service on the node.\n\u00a0\nQ. What do we need CAPF certificates in ITL?\nA.\u00a0Yes, we need CAPF certificate in ITL inorder to authenticate to the CAPF service for LSC installation if the cluster is configured to be in mixed mode.\n\u00a0\nQ.\u00a0If we have both CTL and ITL present on phone, which file phone will use to authenticate?\nA.\u00a0The phone will first try to authenticate using CTL, if the certificate is not found in CTL it will look up the ITL file.\n\u00a0\nQ. We have a customer on CUCM 7.1 and the CUCM has problems with the CTL\/ITL files and is unable to update their firmware. We are being asked to delete these files on every phone to fix the problem.\nA.\u00a0The ITL file concept is not applicable to CUCM 7.1.\n\u00a0\nQ. Are there any drawbacks using Rollback parameter to allow changes to DNS or other Cluster parameters? Any downside in using this parameter when not rolling back?\nA.\u00a0No drawbacks. Only time that you want to use this is when you move from one version to another version and from one cluster to another cluster, so the phones get the TVS \/ITL files and register. Once the registration is over, you need to change the parameter to false and restart the TFTP and Cisco CallManager service so that they download the ITL files with exact certificates.\n\u00a0\nQ. Are the security features available for 3rd party phones?\nA. Right now the security feature is only available for Cisco phones and not for 3rd party phones.\n\u00a0\nQ. Is the CTL file size limited and how many nodes can I implement within this CTL file?\nA. The CTL file needs to have the certificates from all nodes in the cluster. File size is not limited but the memory of the phone is limited, so we need to be careful in which certificate needs to have in the CTL file.\n\u00a0\nQ. If I\u2019m upgrading from CUCM 7.1(5) in Mixed mode to 8.6 replacing the server (from physical to virtual), what do I need to complete the migration? Do I need to regenerate the CTL file on the new cluster?\nA.\u00a0Good Question. There are very specific steps to be followed for migration specially from Physical cluster to virtual. First upgrade the cluster to 8.x, take CLUSTER wide backup. Prepare virtual cluster with same version, restore the cluster wide backup. Or, take the backup of 7.x cluster, setup virtual cluster with 7.x version, restore cluster wide, make sure things are working properly and then upgrade cluster to 8.x.\n.\nQ. I can\u2019t upgrade my cluster on the physical server. I need to upgrade it \u201coff line\u201d on the virtual server.\nA.\u00a0Take the backup of 7.x cluster, setup virtual cluster with 7.x version, restore cluster wide, make sure things are working properly and then upgrade cluster to 8.x.\n\u00a0\nQ. What If, I need to migrate only a set of phones from my existing 8.x cluster ?\nA.\u00a0One can use the \u201cPrepare Cluster for Rollback to pre-8.0\u201d enterprise parameter to download empty ITL files in the cluster. Once the empty ITL file has been downloaded, the phone will accept any ITL file coming its way next. Now you can move this set of phone to another cluster & set the enterprise parameter back to false.\n\u00a0\nQ. Is eToken connected to Admin PC or MCS directory?\nA.\u00a0Admin PC.\n\u00a0\nQ. How do we obtain the eTokens?\nA.\u00a0Contact your Account Manager with the Product and Key ID who can provide more information.\n\u00a0\nQ. How do I backup eToken?\nA.\u00a0You cannot backup the contents of eToken.\n\u00a0\nQ. What will happen if I loose my eToken?\nA.\u00a0The eTokens are supposed to be kept safely as we will need these tokens even to move the cluster from mixed to non secure mode.ou cannot backup the contents of eToken.\n\t\t\t\n\t\t\t\n\t\t\t\n\t\t\t\t__ATA.cmd.push(function() \n\t\t\t\t\t__ATA.initDynamicSlot(\n\t\t\t\t\t\tid: 'atatags-26942-63e330efa3f58',\n\t\t\t\t\t\tlocation: 120,\n\t\t\t\t\t\tformFactor: '001',\n\t\t\t\t\t\tlabel: \n\t\t\t\t\t\t\ttext: 'Advertisements',\n\t\t\t\t\t\t,\n\t\t\t\t\t\tcreative: \n\t\t\t\t\t\t\treportAd: \n\t\t\t\t\t\t\t\ttext: 'Report this ad',\n\t\t\t\t\t\t\t,\n\t\t\t\t\t\t\tprivacySettings: \n\t\t\t\t\t\t\t\ttext: 'Privacy',\n\t\t\t\t\t\t\t\tonClick: function() window.__tcfapi && window.__tcfapi( 'showUi' ); ,\n\t\t\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t);\n\t\t\t\t);\n\t\t\tShare this:Click to share on Facebook (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Twitter (Opens in new window)Click to email a link to a friend (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Pinterest (Opens in new window)ReplyLike this:Like Loading...","permalink":"https:\/\/bsoftbangalore.wordpress.com\/2012\/06\/20\/cisco-unified-callmanager-and-ip-phone-security\/","unixtime":1340175740,"unixtimeModified":1340175740,"entryHeaderMeta":"","linkPages":"","footerEntryMeta":"","tagsRaw":"","tagsArray":[],"loginRedirectURL":"https:\/\/bsoftbangalore.wordpress.com\/wp-login.php?redirect_to=https%3A%2F%2Fbsoftbangalore.wordpress.com%2F2012%2F06%2F20%2Fcisco-unified-callmanager-and-ip-phone-security%2F","hasPrevPost":false,"prevPostTitle":"","prevPostURL":"","hasNextPost":false,"nextPostTitle":"","nextPostURL":"","commentsOpen":true,"is_xpost":false,"editURL":null,"postActions":"Post ActionsScrollShortlink","comments":["type":"comment","id":"8128","postID":"586","postTitleRaw":"Cisco Unified CallManager and IP Phone\u00a0Security","cssClasses":"comment even thread-even depth-1","parentID":"0","contentRaw":"Pretty great post. I simply stumbled upon your blog and wished to \r\nmention that I have really enjoyed browsing your weblog \r\nposts. After all I'll be subscribing to your rss feed and I am \r\nhoping you write once more soon!","contentFiltered":"Pretty great post. I simply stumbled upon your blog and wished to\nmention that I have really enjoyed browsing your weblog\nposts. After all I\u2019ll be subscribing to your rss feed and I am\nhoping you write once more soon!\n","permalink":"https:\/\/bsoftbangalore.wordpress.com\/2012\/06\/20\/cisco-unified-callmanager-and-ip-phone-security\/#comment-8128","unixtime":1413691002,"loginRedirectURL":"https:\/\/bsoftbangalore.wordpress.com\/wp-login.php?redirect_to=https%3A%2F%2Fbsoftbangalore.wordpress.com%2F2012%2F06%2F20%2Fcisco-unified-callmanager-and-ip-phone-security%2F%23comment-8128","approved":true,"isTrashed":false,"prevDeleted":"","editURL":null,"depth":1,"commentDropdownActions":"","commentFooterActions":"Reply\nLikeLike","commentTrashedActions":"Untrash","mentions":[],"mentionContext":"","commentCreated":1413691002,"hasChildren":false,"noprivUserName":"zipdlink.com","noprivUserHash":"4149325300f9974c8e5fdb4b832230ef","noprivUserURL":"http:\/\/zipdlink.com\/?DenialOfService484000","type":"comment","id":"8349","postID":"586","postTitleRaw":"Cisco Unified CallManager and IP Phone\u00a0Security","cssClasses":"comment byuser comment-author-bsoftbangalore bypostauthor odd alt depth-2","parentID":"8128","contentRaw":"Thanks :)","contentFiltered":"Thanks \ud83d\ude42\n","permalink":"https:\/\/bsoftbangalore.wordpress.com\/2012\/06\/20\/cisco-unified-callmanager-and-ip-phone-security\/#comment-8349","unixtime":1423033166,"loginRedirectURL":"https:\/\/bsoftbangalore.wordpress.com\/wp-login.php?redirect_to=https%3A%2F%2Fbsoftbangalore.wordpress.com%2F2012%2F06%2F20%2Fcisco-unified-callmanager-and-ip-phone-security%2F%23comment-8349","approved":true,"isTrashed":false,"prevDeleted":"","editURL":null,"depth":2,"commentDropdownActions":"","commentFooterActions":"Reply\nLikeLike","commentTrashedActions":"Untrash","mentions":[],"mentionContext":"","commentCreated":1423033166,"hasChildren":false,"userLogin":"bsoftbangalore","userNicename":"bsoftbangalore","type":"comment","id":"8406","postID":"586","postTitleRaw":"Cisco Unified CallManager and IP Phone\u00a0Security","cssClasses":"comment byuser comment-author-bsoftbangalore bypostauthor even depth-2","parentID":"8128","contentRaw":"Thnaks","contentFiltered":"Thnaks\n","permalink":"https:\/\/bsoftbangalore.wordpress.com\/2012\/06\/20\/cisco-unified-callmanager-and-ip-phone-security\/#comment-8406","unixtime":1436993390,"loginRedirectURL":"https:\/\/bsoftbangalore.wordpress.com\/wp-login.php?redirect_to=https%3A%2F%2Fbsoftbangalore.wordpress.com%2F2012%2F06%2F20%2Fcisco-unified-callmanager-and-ip-phone-security%2F%23comment-8406","approved":true,"isTrashed":false,"prevDeleted":"","editURL":null,"depth":2,"commentDropdownActions":"","commentFooterActions":"Reply\nLikeLike","commentTrashedActions":"Untrash","mentions":[],"mentionContext":"","commentCreated":1436993390,"hasChildren":false,"userLogin":"bsoftbangalore","userNicename":"bsoftbangalore"],"postFormat":"standard","postMeta":"isSticky":false,"postTerms":"category":["label":"RealTime DB","count":27,"link":"https:\/\/bsoftbangalore.wordpress.com\/category\/realtime-db\/"],"post_tag":[],"post_format":[],"pluginData":[],"isPage":false,"mentions":[],"mentionContext":"","isTrashed":false,"userLogin":"bsoftbangalore","userNicename":"bsoftbangalore"}]Bsoft Bangalore1:16 pm on February 4, 2015Tags: Licensing Cisco UCM User LicensingAgenda


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