3705

  1. GDS3705 Grandstream firmware 3cx v20 unsupported

    Hello, I have GDS3705 Grandstream with the latest firmware 1.0.3.11 but i have a message it says 1.0.3.11 (1.0.1.6 is available) the doorphones seems not to working well with the shipped firmware 1.0.3.11 (stuck many times per day, buttons not fuctioning, delay to answer a call and to open...