SpectraLink IP-DECT 200 Installation And Configuration Manual page 105

Spectralink IP-DECT Server 200/400/6500 Installation and Configuration Guide
Field
Enable media encryption
(SRTP) (Only visible if Security
(TLS, SRTP) License is loaded)
(Optional)
Require media encryption
(SRTP) (Only visible if Security
(TLS, SRTP) License is loaded)
(Optional)
Include lifetime in SDES offers
(Only visible if Security (TLS,
SRTP) License is loaded)
(Optional)
Include MKI in SDES offers
(Only visible if Security (TLS,
SRTP) License is loaded)
(Optional)
Enable ICE (Optional)
Enable TURN (Optional)
TURN server (Optional)
TURN username (Optional)
TURN password (Optional)
SIP Configuration - Call status
Play on-hold tone (Optional)
14215700-IG, Edition 8.0
April 2018, Original document
Setting
If enabled, external SRTP is supported and optional. It
must be negotiated with the remote endpoint.
Note: If external SRTP is enabled, the number of avail-
able voice channels on a Spectralink IP-DECT Server-
/media resource is reduced from 32 to 16 (if a codec card
is used from 24 to 16).
Default value: Enabled
If enabled, the usage of SRTP is required and SRTP
must be negotiated with the remote endpoint. If nego-
tiation of SRTP with the remote endpoint is unsuccessful,
call establishment is aborted.
Default value: Disabled
Handles the RFC 4568 SRTP lifetime key parameter in
SDP offers.
Default value: Disabled
Handles the RFC 4568 SRTP Master Key Index Para-
meter in SDP offers.
Default value: Disabled
If enabled, support for Interactive Connectivity Estab-
lishment (ICE) (RFC 5245) is allowed.
If enabled, support for Traversal Using Relays around
NAT (TURN) (RFC 5766) is allowed.
Enter TURN server address.
Enter TURN server username.
If left blank, the per-user authentication username will be
used.
Enter TURN pass word.
If left blank, the per-user authentication password will be
used.
If enabled, on-hold tone is received in remote end when
placed on hold.
Note: This might conflict with Music-on-Hold.
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