i successfully installed a TDM400 card to make calls using PSTN. I can recive calls from PSTN, but i can’t call “ouside” (in the PSTN).
I can see the following error in Asterisk’s console:
[May 10 15:33:04] WARNING: chan_zap.c:1614 zt_set_hook: zt hook failed: Device or resource busy
What’s wrong with zap_chan?