How do I login to pay my bill, view invoices, or set up for auto pay online? Melissa Alexander April 29, 2019 16:13 Updated Follow To view your SpectrumVoIP bill, make payments, or set up auto pay visit https://sso.spectrumvoip.com/login. If you need assistance setting up an account, please reach out to our billing department by emailing firstname.lastname@example.org or call 972-312-0388 option 3. Related articles How will I receive my monthly invoices? When will I receive my invoices? Why does my first invoice have multiple months of service?