Voice Over IP in UK - Supervisory tone levels on ATA's?

This is Interesting: Free IT Magazines

Home > Archive > Voice Over IP in UK > July 2005 > Supervisory tone levels on ATA's?

You are viewing an archived Text-only version of the thread. To view this thread in it's original format and/or if you want to reply to this thread please [click here]

Author

Supervisory tone levels on ATA's?

Paul Westwell

2005-07-20, 5:45 pm

Hi all,

I can find reference from BT in SIN 350 as to what supervisory tones consist
of and their level range but no specific recommendation for levels.

Is there anything that specifies this?

Regards,

Paul