What type of phone is the Avaya 6416D+M?
It is a digital multi-line phone designed for Avaya Definity and IP Office systems. How many lines does the 6416D+M support?
It supports up to 16 programmable line/feature buttons. What does the "+M" in 6416D+M stand for?
"+M" indicates headset compatibility, with a built-in amplifier for direct headset connection. Is the Avaya 6416D+M compatible with VoIP systems?
No, it is not an IP phone; it works with digital Avaya PBX systems. What phone systems is the 6416D+M compatible with?
Compatible with Avaya Definity ECS and IP Office (via Digital Station modules). Can this phone be used at home or on a standard analog line?
No, it requires a digital port on an Avaya phone system—not compatible with analog lines. Does the 6416D+M require external power?
No, it is powered through the digital line from the Avaya system. Is the phone wall-mountable?
Yes, with an optional wall mount kit. Does the 6416D+M have a display screen?
Yes, it has a 2-line, 24-character LCD display for caller ID, time/date, and messages. Can I use a headset with this phone?
Yes, it supports headsets directly, including those from Plantronics and Jabra. Is speakerphone functionality available?
Yes, it includes built-in speakerphone and microphone for hands-free calls. Are the feature buttons customizable?
Yes, the 16 buttons are programmable for features like speed dial, transfer, or line appearance. Does the 6416D+M support voicemail?
It can access voicemail if configured on the Avaya system it is connected to. What kind of display does the phone have?
A 2-line alphanumeric LCD showing call information, features, and caller ID. Can I add a DSS/sidecar module?
Yes, it supports expansion modules such as the EU24 or similar, depending on the system. Is the phone hearing aid compatible?
Yes, it is HAC-compliant (Hearing Aid Compatible). Does it have mute and volume controls?
Yes, it includes mute, volume, and hold buttons for easy call management. Can I transfer calls using this phone?
Yes, with a dedicated transfer button and programmable features. Is the Avaya 6416D+M still supported by Avaya?
It is end-of-life, but still widely supported in legacy environments and through third-party resellers. Where can I get replacement parts or accessories?
From Avaya-certified partners, refurbished equipment providers, or telecom resellers.