![]() In case it is wireless, and you put Wireshark on your wireless interface, you might be able to see the wireless packets, but it relies on your driver. You might need to get a tap or a hold hub that broadcasts all the packets on the ports so Wireshark can see them. To get a Wireshark track, you have to ensure the packets are going via the system that text messages are passing through. Some VoIP uses proprietary protocols, and the Wireshark most likely can analyze the packets if they are not encrypted. You might be able to see the IP address of the inbound network but not for spoofed calls. SIP is typically HTTP for VoIP system voice calls and carries the VoIP messages, Wireshark is a free packet sniffing tool that can be deployed to analyze SIP or VoIP packets. Most Voice over Internet Protocol (VoIP) systems use the SIP (Session Initiation Protocol), which is analogous to HTTP. This is assuming the Voice over Internet Protocol text message system is using SIP. In case one is using transport layer security, transmitting the text message, then it will be encrypted, and you won’t be able to see the body of the SIP messages. It might be a SIP info packet that carries the text message. You can trace VoIP text by filtering the SIP packets, drilling down into the packet and see the text.
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