Update 09/21/2022 Starting with Zultys MX Mobile for iPhone 2.0.79 mobile app is using WebRTC instead of SIP to make and receive calls. Since iOS often […]
It’s very important to properly configure SIP communication ports on Zultys Phone systems.When done right, SIP configuration allows for proper communication between phone system and user […]
Important note: We can assist Zultys customers with setting up SIP ports on the phone system, support fees will apply. Please contact Vatacom Support if you […]