To Next PageTo Next PageWhy is there one-way audio on my Cisco Conference System?
One-way audio can occur if IP connectivity between conference stations isn't established. To resolve this, check the configurations in routers and switches to ensure that IP connectivity is properly configured.
What to do if my Cisco 7937G - Unified IP Conference Station VoIP Phone Conference System has no dial tone?
If there is no dial tone, check that all connections are secure and in place and that all connections are correct.
What to do if my Cisco Conference System does not ring?
If the conference station doesn't ring, check that the ringer setting is not set to "Ringer Off" and verify the volume level.
What to do if the Cisco 7937G - Unified IP Conference Station VoIP Phone Conference System LCD screen has no display?
If there is no LCD screen display, check to make sure that the conference station has power and that the power supply unit is plugged in.
How to fix gaps in voice calls on Cisco Conference System?
To troubleshoot gaps in voice calls, check the Avg Jitter and the Max Jitter statistics for issues, as this problem is caused by a large variance between them.
How to resolve codec mismatch on Cisco Conference System?
To resolve a codec mismatch, verify that the other device can handle the codec conversation or that a transcoder is in place to handle the service.
What causes loopback condition in Cisco Conference System?
If the conference station receives power from an external power supply and is powered down, it can cause a loopback condition. Re-enable the port from the switch to resolve this.
How to resolve sound sample mismatch on Cisco 7937G - Unified IP Conference Station VoIP Phone?
To resolve a sound sample mismatch, check the RxSize and TxSize statistics to ensure values match.
How to fix LCD display issues on Cisco 7937G - Unified IP Conference Station VoIP Phone Conference System?
LCD display issues can be caused by interaction with certain types of older fluorescent lights. You can move the conference station away from the lights, or replace the lights. Also, check for beat frequencies or a wavy pattern on the LCD screen.
General| Category | Conference System |
|---|---|
| Product Type | VoIP Phone |
| Model | 7937G |
| Manufacturer | Cisco |
| Protocols | SIP, SCCP |
| Display | Backlit LCD |
| Connectivity | Ethernet 10/100 |
| Audio Features | Acoustic echo cancellation |
| Audio Codec | G.711, G.729a |
| Power Options | Power over Ethernet (PoE) 802.3af |
| Operating Temperature | 0 to 40 °C |
| Relative Humidity | 10% to 95% (non-condensing) |
| Compatible Call Control Systems | Cisco Unified Communications Manager |
Explains the physical components and basic functionality of the conference station.
Details the industry-standard and Cisco networking protocols supported by the conference station.
Outlines the telephony and network device features available for the conference station.
Covers the security measures implemented in the system to protect data and identity.
Provides a high-level look at the procedures for setting up and deploying conference stations.
Explains how the station interacts with other Cisco components in the IP telephony network.
Details the methods for powering the conference station, including PoE and external supplies.
Describes the role and content of configuration files stored on the TFTP server.
Outlines the standard startup sequence the conference station follows when powered on.
Explains methods for registering conference stations with CUCM.
Provides ways to find the unique MAC address of the conference station.
Outlines preliminary considerations and requirements before installing the conference station.
Details the necessary network infrastructure and configurations for the conference station.
Explains the CUCM setup required for the conference station to function.
Highlights important safety warnings and precautions during installation and operation.
Describes the physical parts and connectors of the conference station.
Details the Ethernet and microphone ports on the conference station.
Describes the auxiliary port for connecting external audio devices.
Guides on physically connecting and setting up the conference station.
Explains how to physically secure the device using a cable lock.
Describes how to confirm the conference station has started up correctly.
Details manual network configuration steps if DHCP is not used.
Provides recommendations for optimal placement and usage for best audio quality.
Illustrates ideal placement of conference stations and microphones in different room layouts.
Introduces the main configuration menus available on the station.
Summarizes the types of settings that can be adjusted on the station.
Details how to configure IP, DHCP, TFTP, and VLAN settings.
Covers non-network related settings like CallManager and locale configurations.
Explains how to manage security settings like 802.1X authentication and secure shell.
Lists and describes various telephony functions supported by the station.
Guides on setting up directories for user lookup and personal contact management.
Explains how to customize the function of physical buttons on the station.
Details how to manage softkey functions displayed on the screen.
Covers the configuration of XML-based services for interactive content.
Describes how to provision user accounts for the system.
Explains how users can customize their station settings via web pages.
Explains how to edit and add custom files to the TFTP directory.
Guides on how to create and implement custom audio ringtones.
Covers how to set up custom content for the station's idle screen.
Displays hardware details like model number, MAC address, and firmware version.
Provides access to screens for network, call, and device status information.
Shows detailed Ethernet traffic statistics for performance monitoring.
Displays information about the last call made or received by the station.
Lists device settings and hardware identifiers for the station.
Provides steps to connect to the station's web interface.
Explains how to control web access for security purposes.
Details the device-specific information available via the web page.
Shows network settings and parameters displayed on the web page.
Provides network traffic statistics accessible through the web interface.
Explains how to access logs for troubleshooting via the web page.
Displays call stream data for monitoring performance and quality.
Describes how to access status details for problem diagnosis.
Explains how to use the ping utility for network connectivity testing.
Addresses issues encountered during the conference station's startup process.
Provides steps to diagnose and resolve unexpected station resets.
Offers general advice for resolving common station issues.
Explains methods for basic resets and factory resets.
Details how to use the QRT feature for reporting call quality issues.
Explains metrics and methods for assessing call audio quality.
Offers solutions for issues related to receiving conference calls.
Provides links to additional Cisco resources for support.
Gives instructions on how to properly clean the conference station.
Advises on providing user contact information and support channels.
Suggests providing links or PDFs for user documentation.
Guides on informing users about web page access and available features.
Explains how to guide users on accessing voicemail features.
Advises on helping users manage their personal contact directories.
Explains how to purchase and apply language-specific button labels.
Guides on installing software for language and tone localization.
Lists operational parameters like temperature, humidity, and altitude.
Details the types of cables and connectors required for station setup.
