make sure you increase the number of sip trunks from 0 to whatever number needed in system --> Telephony Maximum Sip Sessions
been siiting here messing with it and just found this is a Server Edition feature and strange thing is in my error message (cannot be 0) it never showed up. until I made some URI Entrys for my SIP dids.
been siiting here messing with it and just found this is a Server Edition feature and strange thing is in my error message (cannot be 0) it never showed up. until I made some URI Entrys for my SIP dids.