I am looking to replace our old PBX. I was looking at grandstream but really did not feel comfortable with what i was seeing. I have been looking to yeastar and it seems to do what i need it to do but i cannot find two things clearly
1. is there a way to alert to voicemail when out of the office without email? our service techs need to be alerted when a message is left ASAP.
2.. how does mobility work? it is an app using a sip trunk or does it get treated as an extension through an app so i can be out of the office and still have my phone ring through?