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Unify OpenScape Desk Phone IP V3R3 - Phone Administration SIP Manual

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Administration
A31003-D3000-M100-02-76A9, 11-2013
82 OpenScape Desk Phone IP V3R3, Phone Administration, Administrator Documentation
Security
Related Topics
Related Topics
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Speech Encryption
3.4.1.2 MIKEY Configuration
MIKEY (Multimedia Internet KEYing) is a key management protocol that is
intended for use with real-time applications. It can specifically be used to set up
encryption keys for multimedia sessions that are secured using SRTP.
Use secure calls activates the encryption of outgoing calls, i.e. the phone is
capable of receiving encrypted calls.
INFO: For secure (encrypted) calls, it is required that both
endpoints support SRTP. The secure call indication tells the user
that the other endpoint has acknowledged the secure connection.
The SRTP type sets the key exchange method (negotiation method) for secure
calls via SRTP. The following encryption key exchange methods are available:
• MIKEY
• SDES (see SDES Configuration)
The SRTP Type and Use SRTCP options are only available for secure
(encrypted) calls, i.e. these parameters are only enabled if Use secure calls is
activated.
When Use SRTCP is activated (together with Use secure calls), the phone will
use SRTCP (Secure RTCP) to transmit and receive RTP control packets.
INFO: If SRTP is enabled, ANAT interworking (see Media/SDP)
is only possible if SDES is configured as the key exchange
protocol for SRTP.
Administration via WBM
System > Security > System
|--- Use secure calls
|--- SRTP type
|--- Use SRTCP
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