For additional information related to using VoIP telephone service to get help in an emergency, you may want to visit the "911VoIP. Org" web site.
“www.911VoIP.org” provides the following mission statement:

"It is of vital importance to public safety that the general public be aware of the 9-1-1 issues involved with some Voice over Internet Protocol (VoIP) telephone service providers. The purpose of the 911VoIP.org Web site, and its related media campaign, is to assist the public in becoming educated consumers when purchasing or utilizing VoIP services."