[asterisk-users] Problem with a channel

I have install a Server with Centos 1 TDM400:  Asterisk 1.4.9,  Zaptel 1.4.5

 

I having these problem :

 

Zap/2-1 is busy

Hangup ZAP/2-1

Everyone is busy/congested at this time (1:1/010)

Autofallthrough channel “SIP/202-b7b08ab0” Status is busy.

 

And then HANGUP.