[Asterisk-Users] Chaining more than one zap echo canceller?

[Jayson Vantuyl]

On Wed, Oct 13, 2004 at 07:12:12AM -0700, Chad Scott wrote:
> If you wanted to fix an impedance mismatch the "right" way, you'd use a 
> matching network.  In it's simplest form, you could use a transformer 
> to convert the 150 ohms impedance at the jack to 600 ohms for the 
> equipment.  You could also use a dynamic matching network with variable 
> capacitors and inductors to create just about any impedance you want.
Can I buy something like this or do I have to build it?

-- 
Jayson Vantuyl