What to create an auto-dial for 3 part teleconference number?

We have a free system at our organization where the teleconference system is out of one of our extensions. This is great if you are working at your desk, but if you are out of office/travelling the teleconference auto-dial is so handy. How can I word it in my meeting request to make the blackberry realize that there are three steps to my teleconference number? IE 1234567890 x 12345, 123456#

Thanks in advanc

The trick is timing. I'm not sure which os your on. When you enter the number on bb10 there are wait (wait for you to give it the go ahead) and pause (2 seconds). In legacy it was , for 2 second pause, and B (for wait). So I'd have 18005551212,,#1234,123456# and it would dial right through my system.