| Business | Phone |
| Global Crossing Conferencing 60 Hudson St, New York 10013 | (212) 346-0100 |
| Intercall 232 Madison Ave # 508, New York 10016 | (212) 684-8411 |
| Polycom Inc 919 3rd Ave # 27, New York 10022 | (212) 836-4818 |
| Rosetel 250 W 57th St, New York 10107 | (212) 974-0043 |
| Papillon Technologies 36 W 44th St, New York 10036 | (212) 354-3615 |