UNP Parliamentarian Ranjan Ramanayake will be produced before the Government Analyst for a voice test next week.

The court has instructed the Prisons Commissioner to produce Ramanayake before the Government Analyst for a voice test on January 23.

The Government Analyst commenced investigations into the leaked telephone recordings of Ramanayake earlier this week.

The UNP MP, however, has not challenged the authenticity of the "leaked" recordings so far.