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Cisco 7911 Sip Firmware Cisco Systems, Inc. designs and manufactures a variety of networking products for data networks, local area networks (LANs), wide area networks (WANs), and wireless access points. The 7911 SIP firmware is a set of commands that can be sent to the Cisco 7911 Series IP Phones to perform various functions, such as changing the ringtone or voice quality on an IP phone. It was first introduced in 05/01/2007. The 7911 SIP firmware is distributed by Cisco Systems, Inc. as part of the Cisco SPA/TDM software package. Many sites claim the firmware is not upgradable (some erroneously say "compatible" or "upgradable") and instead urge users to obtain the latest version, which has an added menu option that allows upgrading by calling into Cisco Systems sub-directories for this purpose. Others suggest using the firmware upgrade CD that comes with the phone, which requires a computer to be directly connected to it.Cisco 7911 compatibility Releases of Cisco SPA/TDM software prior to May 31, 2010 do not support the Cisco 7911 SIP firmware. Cisco 7911 firmware upgrade ringtone/quality delivery process 2018-08-21 - Vulnerability in Cisco Unified Communications Manager A2Q Release 3.0(1) and earlier, in some cases allowing remote code execution. 2018-07-31 - Vulnerability in Cisco Unified Communications Manager A2Q Release 3.0(1) and earlier on registered line cards, in some cases allowing remote code execution 2018-01-01 - Vulnerability in Cisco Unified Communications Manager A2Q Release 3.0(1) and earlier, in some cases allowing remote code execution 2017-05-19 - Vulnerability in Cisco Unified Communications Manager A2Q Release 3.0(1) and earlier, IP Phones CIPC-C Interoperability CSCva80633 2017-04-26 - Security advisory for vulnerability affecting Cisco IP Phone 8800 Series devices running the SIP Firmware version 4. 0.2(289). 2017-03-28 - Security advisory for vulnerability affecting Cisco IP Phone 8800 Series devices running the SIP Firmware version 4.0.2(288). 2017-01-01 - Security advisory for vulnerability affecting Cisco IP Phone 8800 Series devices running the SIP Firmware version 4.0.2(287). 2016-12-28 - Security advisory for vulnerability affecting Cisco IP Phone 8800 Series devices running the SIP Firmware version 4.0.2(286). 2016-06-30 - Security advisory for vulnerability affecting Cisco IP Phone 8700 Series devices running the SIP Firmware version 4.0(1855). cfa1e77820
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