Ann-Marie,
I agree with Justin (although I would like to be proved wrong!) in that I do not believe the current products on the market would be suitable for a call centre environment. Most require a very large vocabulary of words that can be recognised and also need a significant investment in time training the speech engine for each individual user. This can work very well in a home/personal environment but there will always be a level on inaccuracy that requires careful proof-reading and correcting - this could lead to major errors in a high volume contact centre, especially if dealing with sensitive or financal data.
One technique I have seen used successfully in a number of contact centres is investment in agent training to "talk and type" - it's not my field of expertise but I am sure someone else may be able to give you some guidance. It is highly dependent on the nature of the after-call work how much time it can save, but I do know that the call centres that I have seen using it believed that the investment in agent training delivered significant benefits, both in EAHT and customer experience. Some have even driven towards zero After Call Work...
Hope this helps,
Dave |