Getting CHANUNAVAIL message on outbound calls

When I make an outbound call on either of my two trunks (BroadVoice and FWD) I get the “All circuits are busy” message and I get a CHANUNAVAIL message in the CLI. Both the Broadvoice line and FWD line register correctly (and I can receive incoming calls on Broadvoice). Any thoughts on what I can look at to try and rectify?

Thanks.

– Executing Set(“SIP/204-70b4”, “GROUP()=OUT_3”) in new stack
– Executing GotoIf(“SIP/204-70b4”, “0?108”) in new stack
– Executing Set(“SIP/204-70b4”, “DIAL_NUMBER=18779996004”) in new stack
– Executing Set(“SIP/204-70b4”, “DIAL_TRUNK=3”) in new stack
– Executing AGI(“SIP/204-70b4”, “fixlocalprefix”) in new stack
– Launched AGI Script /var/lib/asterisk/agi-bin/fixlocalprefix
– AGI Script fixlocalprefix completed, returning 0
– Executing Set(“SIP/204-70b4”, “OUTNUM=18779996004”) in new stack
– Executing Set(“SIP/204-70b4”, “custom=SIP/bv”) in new stack
– Executing GotoIf(“SIP/204-70b4”, “0?16”) in new stack
– Executing Dial(“SIP/204-70b4”, “SIP/bv/18779996004|120|r”) in new stack
== Everyone is busy/congested at this time (1:0/0/1)
– Executing Goto(“SIP/204-70b4”, “s-CHANUNAVAIL|1”) in new stack
– Goto (macro-dialout-trunk,s-CHANUNAVAIL,1)
– Executing NoOp(“SIP/204-70b4”, “Dial failed due to CHANUNAVAIL”) in new stack
– Executing Macro(“SIP/204-70b4”, “outisbusy|”) in new stack
– Executing Playback(“SIP/204-70b4”, “all-circuits-busy-now”) in new stack
– Playing ‘all-circuits-busy-now’ (language ‘en’)
– Executing Playback(“SIP/204-70b4”, “pls-try-call-later”) in new stack
– Playing ‘pls-try-call-later’ (language ‘en’)
– Executing Macro(“SIP/204-70b4”, “hangupcall”) in new stack