IP Phone

Unplug any PoE Ethernet cable or power supply With the phone completely powered off, press and hold the # button While still depressing the # button, connect power brick or PoE Ethernet The two top LEDs will be amber The mute light will stay red Immediately let go of the # button (lights will not change or you have failed) Immediately type the sequence 123 456 789 *0# without mistyping Only now will the red mute light go out The phone will boot up in FACTORY RESET…

Attached Document Describes the below : Download the Pdf: IP Phone Security and CTL (Certificate Trust • Phone Security and CTL Overview on page 1 • 1. Obtain USB eTokens on page 3 • 2. Activate CTL Provider and CAPF Services on page 4 • 3. Download and Install the CTL Client on page 5 • 4. Run the CTL Client using eTokens on page 6 • 5. Restart Required Servers on page 12 •…

  Every once in a while I get asked if there is a better way to distribute firmware to phones across the WAN. The obvious driver is the general performance (or lack thereof) for the standard TFTP approach when handling a large number of requests. This is one of those questions that usually comes up the day before a mass firmware upgrade and then goes to the back burner, only to come up again during the next…

Firmware Version 10.1(1) for Cisco Desktop Collaboration Experience DX650 The 10.1(1) firmware image within the installation program supports the SIP protocol for the following Cisco Unified Devices: Cisco Desktop Collaboration Experience DX650 This firmware version is supported on Cisco Unified Communications Manager 7.1(5), 8.5(1), 8.6(2) and above.   Release Notes and documentation For a list of Resolved Problems and Known Problems with this firmware version, you can obtain the Cisco Desktop Collaboration Experience DX650 Firmware…

Collecting a packet capture from a Cisco IP Phone Introduction. For troubleshooting purposes one may need to gather a packet (sniffer) capture from an IP Phone. There are many ways this can be accomplished.   This article describes how to collect the capture using the IP Phone’s built in PC ports.  It can be enabled to copy all traffic entering into the SWITCH port, and send it to the PC port.  From there, the data can…