Episode 111 of our Grandstream IP PBX HowTo Video Series. This is the second video from our 3 part series on Grandstream UCM6000 Series IP PBX security and this video covers setting up strong SIP authentication. You should definitely step up your SIP login credentials – especially if your Grandstream Networks IP PBX is open to the outside world!
Here is the list of characters that the Grandstream UCM6000 Series IP PBX can accept in the SIP Password field:
“Please use digits, letters and special characters ~ ! @ # $ % ^ * only.”