Trusted entity that issues certificates: Cisco or a third-party entity.Ĭertificate Authority Proxy Function (CAPF) Process that specifies whether an authenticated user, service, or application has the necessary permissions to perform a requestedĪction in Unified Communications Manager, the security process that restricts certain trunk-side SIP requests to authorized users.Ī SIP user agent response to a challenge.Ī message that contains the certificate holder name, the public key, and the digital signature of the certificate authority Process that verifies the identity of the communicating entity. List that defines rights and permissions to access system functions and resources. The definitions in the following table apply when you configure authentication, encryption, and other security features for Transferring the file to the phone, and encrypts media streams and call signaling between Cisco Unified IP Phones. The CiscoIP telephony network establishes and maintains authenticated communication streams, digitally signs files before Implementing security mechanisms in the Unified Communications Manager system prevents identity theft of the phones and the Unified Communications Manager server, data tampering, and call-signaling/media-stream tampering.
Device Resets, Server and Cluster Reboots, and Service Restarts.Phone Support and Encrypted Setup Files.Cisco Unified Mobility Advantage Server Security Profile Setup.Digest Authentication Setup for SIP Trunks.Encryption Setup for Gateways and Trunks.Secure Survivable Remote Site Telephony (SRST) Reference.Security for SRST References, Trunks, and Gateways.Authentication and Encryption Setup for CTI, JTAPI, and TAPI.Cisco CTI, JTAPI, and TAPI Application Security.Virtual Private Networks for Cisco Unified IP Phones.Secure Call Monitoring and Recording Setup.Encrypted Phone Configuration File Setup.Secure and Nonsecure Indication Tone Setup.Security for Cisco IP Phone and Cisco Voice-Messaging Ports.Hypertext Transfer Protocol Over Secure Sockets Layer (HTTPS).Certain product specifications and descriptions may change due to reasons like changes in suppliers. Please refer to the actual product for actual specifications. Product pictures are for reference only.Liquid damage is not covered under warranty. OPPO A55 achieves the industry standard of IPX4 under the laboratory setting condition.Actual viewable area is slightly less due to the rounded corners. OPPO A55's screen size is 16.55cm (6.51 inches) as a full rectangle. Actual performance may vary from the status of phone usage and the condition in which it is used. The data is compared with last generation product based on tests performed in OPPO labs.3-Card Slot are available only for specific regions and specific versions.A MicroSD card needs to be purchased separately. With 3-Card Slot (Dual SIM + MicroSD), storage can expand up to 256GB.
Actual charging times may vary depending on user conditions. OPPO 18W Fast Charge’s charging results are tested internally in OPPO labs under stimulated usage conditions.To ensure accuracy in testing, "5% battery" is defined as the equivalent of 5% of a 5000mAh battery, i.e., 250mAh. The displayed remaining battery power may vary from device to device. Based on tests performed in OPPO labs.Playback time may vary under different conditions. Online video streaming testing was conducted under a Wi-Fi connection, starting at 100% battery power, with 135cd/m² screen brightness and 72dB volume, and while continuously playing YouTube streaming video. 5000mAh is the typical value of battery capacity.By doing so, the camera will output 50MP photos. Users can also choose 50MP Mode in Settings. Using the pixel binning technology (combining 4 pixels into one), the 50MP main camera outputs 12.5MP photos by default.
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