Analyzing WhatsApp Calls with Wireshark radare2 and Frida

WhatsApp is using the PJSIP library to implement Voice over IP VoIP functionality The captures shows no signs of DTLS which suggests the use of SDES encryption see here for Victors past post on this Even though STUN is used the binding requests do not contain ICEspecific attributes RTP and RTCP are multiplexed on the same port

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WhatsApp Web

Are Whatsapp VoIP calls P2P peer2peer architecture Reddit

Start Using WhatsApp Once verified you can use WhatsApp on your PC without scanning a QR code Method 3 WhatsApp MultiDevice Beta if available Open WhatsApp on Your Phone Launch WhatsApp and go to Settings Join MultiDevice Beta Select Linked Devices and join the multidevice beta if available

Whats up with WhatsApp and WebRTC webrtcHacks

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Via Whatsapp Arwanatoto Rtp

Data charges Using your data for WhatsApp calls and video calls can quickly consume your data allowance So check the plan details and adjust your usage accordingly Verification Reverifying your WhatsApp account using a local SIM card might not be possible Its recommended to keep your old SIM card active for verification purposes

How to Use Whatsapp Internationally Without Incurring Extra TechCult

How To Access WhatsApp Web Without Phone GeeksforGeeks

To begin linking a companion device using your phone number open Whatsapp for Windows or WhatsApp Web on the device you want to link Click Link with phone number Select your country and enter your primary account phone number Click Next Youll see an 8character code on the screen

How to link a device with phone number WhatsApp Help Center

f When you dialing someone on whatsapp that are offlineinternet connection you will still see the ringing and dialing status until few seconds trying until whatsapp stop itself trying to dialing the number you cannot expect dialing non whatsapp number or offlineinternet whatsapp account to be FailDisconnected right away g

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Quickly send and receive WhatsApp messages right from your computer

The RTP standard recommends to randomize the initial value of the sequence number via TCP to WhatsApp servers I revealed the content of the payload parameter

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Sip To WhatsApp Gateway for Converting Sip Voice Protocol RTP Audio to

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Im currently looking at firewall implementation for Whatsappvoice and it uses a variety of protocolsapplication types rtcp rtpbase stun whatsappbase My question is for the VoIP functionality is this P2P