What is the SRTP?
The STRP is abbreviated as secure real-time transport protocol with enhanced security measures to provide encryption, message authentication, confidentiality, and replay protection to transfer audio and video traffic.

Key Features of SRTP
The key features of SRTP are as follows:
Encryption
It encrypts data to enhance the readability of the intended recipient.
Message Authentication
It verifies that unaltered data.
Replay Protection
It protects the attackers from resending the same data again and again.
Benefits of SRTP for SIP calls
The following are the benefits of SRTPfor SIP calls:
Integrity
It offers message authentication and integrity checks to refrain from tampering with the media stream.
Privacy
It aids in protecting the privacy of conversations and is quintessential for sensitive communications.
Compliance
It helps companies comply with data protection regulations. Such compliances are GDPR, or HIPAA for safeguarding sensitive information.
User Trust
It boosts the user's confidence in using SIP-based communication systems as they are aware of the protection of conversation.
Interoperability
It supports and integrates with existing SIP infrastructure making it simpler to execute without the numerous changes to current systems.
Key Management
It works in conjunction with protocols like MIKEY (Multimedia Internet KEYing) for key management that leads to safe and secure key exchange between endpoints.

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Frequently Asked Questions
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Do I need special hardware for SRTP?
No, there is no requirement for special hardware but VoIP phones and softphones must support SRTP. On the other hand, modern devices and certain software are very well supportive.
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What are the key management methods for SRTP?
There are certain key management methods such as:
MIKEY: Multimedia Internet KEYing
SDES: Session Description Protocol Security Descriptions
DTLS: Datagram Transport Layer Security
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Is SRTP sufficient for complete security?
Yes, it is a secure media stream that is sufficient for signalling and providing end-to-end security.
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How do I configure SRTP?
To configure the SRTP, the developer needs to enable the SRTP in the settings to make sure that the SIP server is supported. It can be configured properly with the key management methods.