improve ISNTALL local: fixed the context, extension and sip behaviour configuration
improve ISNTALL local: fixed the context, extension and sip behaviour configuration

* please read https://wiki.asterisk.org/wiki/display/AST/New+in+15
* asterisk sip channels are implemented in 11, improved fixed in 13 and deprecated in 15
* so that why some errors happened at configuration, now provide a new behaviour:
* fixed the sip devices registration, use dial directly here, configure extern ip address and point it
* use the rtc module due we are related to asterisk 13/14, asterisk 15 use new pjsip module
* fixed the extensions sections: do not register users, we done directly the daill in sip configuration
antirek/owo-phone.js,antirek/owo-phone.js,antirek/owo-phone.js