mythtv@Astermyth:~$ ztcfg -vvv

Zaptel Version: 1.4.5.1
Echo Canceller: MG2
Configuration
======================


Channel map:

Channel 01: FXS Kewlstart (Default) (Slaves: 01)

1 channels configured.

Changing signalling on channel 1 from Unused to FXS Kewlstart