![]() ![]() Cisco added additional security processes, such as PIN numbers, to help combat fraud, but a more comprehensive approach was required. Sales of used Cisco products still occurred, but often fraudulent methods were used to unlock the software after being sold to a third party. The PAK process benefitted Cisco by giving it more control over the software aspects of its equipment, but it also created frustration among Cisco customers. Frequently, enterprise customers ran into problems when the PAK information was emailed to one person in the company but the equipment was being installed by another. ![]() Each device needed to be registered individually and could only be unlocked with a specific license key. The licenses were nontransferable if a company decided to sell older equipment to a third party. Enter the name of the SRST gateway, the IP address, and the port.PAK licenses were device-specific and licensed to an individual organization. The following figure shows the available fields in the SRST Reference Configuration window. In the menu bar in Cisco Unified Communications Manager, choose CCMAdmin > System > SRST. How do I add an SRST reference in ccmadmin? Credentials service runs on default port 2445 Enter the certificate provider (credentials service) port number. Check the box asking if the SRST gateway is secure. Enter the name of the SRST gateway, the IP address, and the port. How do I configure the SRST reference configuration window? The only step needed is to configure the CME/SRST feature and accept the EULA. No additional licenses need to be installed on the router. With only the uck9 package installed, the cme-srst license is not in an active state. Do I need to install CME/SRST on my router? Once the last command is entered, you’ll be prompted to accept the EULA. Issue the max-dn and max-ephone commands. It will cover how to activate the CME/SRST feature license. How to activate the CME/SRST feature license? “CM Fallback Service Operating” to inform users fallback mode is active. When the IP phone is in fall back mode the prompt on the phone displays the message. SRST only provides basic survivability for remote sites in the event of a WAN outage. ![]() Survivable Remote Site Telephony (SRST) is a Cisco Unified Communications Manager (CUCM) call processing backup mechanism that allows Cisco IP phones to register to a Cisco router. When CUCME provides Cisco Unified SRST functionality, provisioning of phones is automatic. SRST is an IOS feature that enables routers to provide call-handling support for Cisco IP Phones if they lose their connection to a remote Primary CUCM which can occur if the WAN connection to the main site is down. ![]()
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