: You may need specific .cnf or .xml configuration files. Templates and firmware for various models can be found on community resource sites like Firewall.cx .
If you are trying to "post" or "load" a SIP configuration to a physical device (like a Cisco IP phone) for a 7-day period: Download Mobilise7jour sip
: This is the primary app for managing travel data and calling plans. You can download it from the Google Play Store . : You may need specific