How many lines does the Cisco 7811 support?
It supports one SIP line, making it ideal for standard voice use.Does the 7811 have a color screen?
No, it features a 3.28-inch monochrome display.Is the Cisco 7811 compatible with PoE?
Yes, it supports Power over Ethernet for simplified power and connectivity.Can this phone be used with third-party VoIP providers?
It's optimized for use with Cisco Unified Communications Manager and may have limited support with non-Cisco systems.Does it include a power adapter?
No, power adapter is sold separately if PoE is not used.What audio quality features does it offer?
It supports wideband audio (HD Voice) for enhanced clarity.Is the Cisco 7811 wall-mountable?
Yes, with an optional wall-mount kit.Does it support speakerphone functionality?
Yes, it includes a full-duplex speakerphone.Can you use a headset with the 7811?
Yes, it includes a dedicated RJ-9 headset port.What protocols does it support?
Primarily SIP, used within Cisco’s CUCM ecosystem.Does it support VPN?
No native VPN support; typically depends on network configuration.Is it compatible with Cisco Webex Calling?
Yes, with the proper provisioning.Can I transfer calls and place them on hold?
Yes, it supports standard call features including transfer, hold and conference.Is it suitable for call centers?
It's best for lobby and single-line use; call centers may need multi-line models.Can it be managed remotely?
Yes, via Cisco Unified Communications Manager.How does it differ from the 7821 or 7841 models?
7821/7841 offer multi-line support and additional features.What security features are built in?
Secure boot, signaling/media encryption and device authentication.Does it have customizable ringtones?
Yes, it offers a selection of built-in ringtone options.How energy efficient is it?
Supports Cisco EnergyWise for reduced power consumption during inactivity.Does the Cisco 7811 support call waiting?
Yes, it supports call waiting functionality when configured via Cisco Unified Communications Manager.