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Cortelco C56 star_orange_24 star_orange_24 star_orange_24 star_orange_24 star_grey_24

The following review was conducted in October 2015.

The Cortelco C56 is one of the simplest SIP phones we've ever reviewed. With its easy configuration and its bare bones interface, the C56 is clearly not trying to win the arms race of smartphone-esque UIs and advanced features that some other manufacturers are aiming for.

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Topics: Cortelco, VoIP Reviews, softphone reviews, OnSIP-admin portal, Desk Phones