Generate a more complex version of this sentence CallFire designs, develops, and offers web-based VoIP products and services.
Mesthi wae, versi sing luwih rumit saka ukara kasebut yaiku "CallFire ngrancang, ngembangake, lan nawakake produk lan layanan VoIP adhedhasar web minangka layanan bisnis-kanggo-bisnis (B2B) kanggo bisnis ukuran cilik lan menengah (SMBs) lan tagihan pelanggan adhedhasar panggunaan. "