Not able to initiate conference or 3 way calling

[Stewart1 (Stewart)]

Is this SIPStation? If not, who is the provider?

If yes, you can enable Concurrency Bursting (if you are not still in trial), or fail over to another trunking provider. Many, including Telnyx and Twilio offer free trials.

This may be useful:

Trunks & Outbound Routes priority

OK we have our existing SIP provider with 5 trunks & I’m testing & hoping to switch over to SIPStation trunks. We currently have 1 trunk with SIPStation. I placed my SIPStation outbound route above my existing route. I was hoping all outbound calls would first use the SIPStation trunk & when it’s in use, fall down to my existing 5 trunks. But when a call was active on the SIPStation trunk the next caller would get “All circuits are busy…” & they couldn’t call out with the 5 available existin…