Session Initiation Protocol. or SIP, is an application layer communications protocol that can be used in conjunction with other protocols for voice communications over IP or video calling.

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SIP Provider stores credentials, is it required for some SIP phones?

My SIP provider stores my SIP call time password as AES encrypted in stead of hashed. I understand that SIP authentication has the capability to NOT store the password, and in stead store a ...
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Is a direct SIP video call (encrypted) between two computers more secure than going through a registrar service?

I learned recently about ZRTP-encrypted video calls using an SIP client, such as Jitsi or Linphone or Blink. I was able to make a direct encrypted video call between two clients on the same local ...
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Bash shell exploit using SIP

I have a SIP proxy server, that would like to test Shellshock on. I have used this https://github.com/zaf/sipshock to try and test. but this is what I get. So I just want to know generally what is ...