Telephones 

Spectrum PLUS SP-400 and SP-550

Features

SP-400

SP-550

Desk/wall mountable

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x

SteelTrap® Memory - no batteries needed

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x

Exceptional quality speakerphone

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x

11 programmable feature keys with custom labeling

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x

Headset enabled - built-in amplifier, port and line engage key

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x

FreeSpeech™ - toggle between handset, headset and speakerphone modes 

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x

8 step volune control for handset/headset/ringing 

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x

8 step volume control for handset/headset 

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Built-in data port 

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x

AC powered 

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x

Adjustable index stand 

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x

Adjustable, large, backlit LCD display 

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x

Type II caller ID - date, time, name, number, up to 100 records 

x

Touchlite®  message waiting indicator/one-touch message retrieval

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x

Flash key 

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x

Disconnect (new call) key 

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x

Re-dial key 

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x

Hold key with LED indication 

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x

Mute key 

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x