Whether you choose to deploy MGCP or SIP standards, Polycom offers a solution that fits all of your business communication needs. The SoundPoint IP 501 delivers a Voice over IP telephone that seamlessly integrates with IP PBX and Softswitch vendors' IP solutions. An intuitive user interface offers dedicated, one-button access to common telephony features, and an information-rich display delivers content for messaging, call information, directory access, and applications. The SoundPoint IP501 offers superb voice quality when used in handset, headset, or speakerphone mode. Plus, as protocols develop and standards evolve, it's easy to update the phones in the field via a software download, enabling new features and functionality. Polycom industry-leading sound quality implemented in the SoundPoint IP 501 enhances the productivity of your business phone calls, because you will spend less time trying to understand what other people are saying, and more time communicating with them.