Making VCO Calls

Direct VCO calls are easiest when both parties have a Uniphone TTY, which is specifically designed for VCO calling. Even if they don't have a Uniphone, people can still make direct VCO calls, as long as both parties have a TTY and a standard telephone handy.

Making a direct VCO call with the Uniphone 1140:

You can also make VCO calls through a Telecommunications Relay Service or with a CapTel telephone.