Using Phone to phone voip adapter/phones This topic has 1 reply, 1 voice, and was last updated 20 years, 3 months ago by Francisco. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts 11th October 2002 at 03:55 #22209 EugenGuest I am interested in developing aan ITSP using voip handsets with built-in dial-up modems for developing markets in particular and monopoly environments. Does anyone know a good appliance or handset that does the job? 22nd October 2002 at 16:58 #22210 FranciscoGuest I am doing some research too. Whenever you find something please let me know. We will exchange info. I have not found anything yet. But, as soon as I do I will let you know. Francisco Author Posts Viewing 2 posts - 1 through 2 (of 2 total) The forum ‘Voice over IP’ is closed to new topics and replies.