Caller ID for each call coming from Outside
all 8 people same time can talk to each other on intercom
Programmable extension number as per your need , programmable welcome tone to caller, Auto attendant , Call routing if not picked up desired extension
1 line trunk give possibility of adding FCT device soa that GSM card can be used to get call along with PSTN lines , call waiting and holding on each call
many more features call us to get tech support after receiving product we will assist you to configure