| Issue | Potential Resolution | |---|---| | | Verify Java installation (JRE 6u4). Check that Java is enabled in browser settings if Web Launch is used. Reinstall the application with administrator privileges. | | No audio or microphone detected | Ensure a non-ISA full-duplex sound card or USB audio device is properly installed. Check that audio devices are not muted and are set as default in Windows Sound settings. Verify that no other application is exclusively using the audio device. | | Cannot register with CUCM | Confirm network connectivity to the CUCM server. Verify that the device has been pre-provisioned in CUCM with the correct MAC address (of the computer's network interface). Check that DHCP with Cisco Option 150 or manual TFTP server settings are properly configured. | | Audio quality issues (jitter, delay) | Ensure the network connection meets VoIP requirements (low latency, minimal packet loss). A 10/100 Mbps Ethernet connection is required; wireless connections may introduce instability. Check that QoS policies are properly configured for RTP traffic. | | 64-bit OS compatibility problems | CIPC runs as a 32-bit application under WoW64 on Windows 7 and Windows 8 64-bit editions. Verify that all prerequisites (including Java) are 32-bit compatible. Windows 10 64-bit may experience compatibility issues due to the software's end-of-life status. |
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To ensure software integrity and network security, you must obtain the software through legitimate corporate channels. The Official Route: Cisco Software Central | Issue | Potential Resolution | |---|---| |
Click the icon (the small square icon in the top right corner) and select Preferences . | | No audio or microphone detected |