I have an NEC DT-700 phone in which I have changed the firmware so that it accepts a Standard SIP connection, and when recovering the configuration files it does so without problems... the problem is that it leaves a blank screen... In addition to That takes the SIP parameters but I receive an unauthorized error 404 from the telephone exchange which is a grandstream UCM
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NEC DT700 phone - failed connection to TPFT server
- Thread starter RBalbuena
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