15 minutes 2000 android asterisk ata bandwidth beta billing blacklist block byod call drop call history cancelling cell cisco cisco ata configuration connected devices vpanel dns srv elastix email fee forwarding freepbx gateway gxp how to incoming calls international international calling latency limit live chat mismatch mobile mobile app nat newbie nokia obi200 outging fax package eligible password pbx pbx servers port porting problem qos quota reports reseller routers second line service setup sip sms softphone spam straight to voice mail sucks tcp traffic transfer trunk virtual virtual numbers voipo