u/DesperateYogurt2677

Hi everyone, I’d like to ask for your help with a situation: I have a Grandstream PBX with 30 IP extensions and one IP trunk. Only the first extension can both make and receive calls; the others can only receive them—calls won't go out when attempted. Has anyone else experienced something similar? Do you know what might be causing this?

Hi everyone, I’d like to ask for your help with a situation: I have a Grandstream PBX with 30 IP extensions and one IP trunk. Only the first extension can both make and receive calls; the others can only receive them—calls won't go out when attempted. Has anyone else experienced something similar? Do you know what might be causing this?

Thanks in advance