Outbound Dialing

[cbroessel]

I have random systems unable to dial out. i'm using 3 different sip providers and all three are unable to call out. different systems, on prem and cloud based, different numbers. the only common dominator seems to be 3cx pbx.

getting this message
Call or Registration to 13402776292@(Ln.10000@STX Main) has failed. 67.231.13.181 replied: 503 Service Unavailable; from IP:67.231.13.181:5060
SIP Server ID: 12294 09/28/2023 12:17:09 PM

 

[Alejandro_3CX]

67.231.13.181

this is your voip provider address that is sending these messages, you may need to contact them.