Hi, I am using single span Digium E1 card, and configured with mod_freetdm. I have configured 31 channels in single group its working well, but I have to split channels for Inbound & outbound. For example I need to use 1-15 channels for only Inbound and 17-31 channels for outbound trunk. How can I define this in freetdm.conf file, is it possible to split this channels or is there any other way to do for the same. my configuration: freetdm.conf [general] cpu_monitor => no cpu_monitoring_interval => 1000 cpu_set_alarm_threshold => 80 cpu_clear_alarm_threshold => 70 cpu_alarm_action => warn,reject ;cpu_alarm_action => warn debugdtmf_directory=/var/log/freeswitch/fsdtmf [span zt FreeTDM1] group => g0 name => tdm1 number => 1 trunk_type => E1 b-channel => 1-15 d-channel => 16 b-channel => 17-31 debugdtmf => yes rxgain => 4.0 txgain => 6.0 freetdm.conf.xml <span name="FreeTDM1"> <param name="node" value="cpe"/> <param name="switch" value="euroisdn"/> <param name="opts" value="omit_redirecting_number"/> <param name="dp" value="unknown"/> <param name="debug" value="none"/> <param name="idle_restart_interval" value="0"/> <!-- <param name="debug" value="q931_all"/> --> <param name="dialplan" value="XML"/> <param name="context" value="public"/> </span> -- Best Regards, Katta.