Which port does the wsus servers(windows server 2019) download updates from the internet?how to change this port?Does this port have to be 80 or 8530?thank you!
What is the difference between sip and mpp firmwares of the ipphone?Which firmware should I download if I have one voice router or a voice server? for example:"Session Initiation Protocol (SIP) Software- 14.2(1)"and‘’IP Phone 8811 with Multiplatform ...
help pleasei have a 7821 phone , installed mpp firmware,now i want to install sip firmware,how can i do?i only have a router and an ip phone,erase the phone to Factory setting and install new sip firmware.