The enterprise communication platform has raised $17m from investors including GV, a participant in the round's 2015 first tranche, which also featured SoftBank.

US-based cloud communication platform developer Dialpad has added $17m from investors including GV, a subsidiary of internet and technology group Alphabet, to a series C round now sized at $52m.

Venture capital firms Andreessen Horowitz, Amasia and Felicis Ventures contributed funding, as did Section 32, the VC fund formed by GV founder Bill Maris. Maris joined Dialpad’s board of directors in March 2016.

Founded in 2011 as Firespotter Labs and also formerly known as Switch Communications, Dialpad operates a…