SpectraLink IP-DECT 200 Installation And Configuration Manual page 241

Spectralink IP-DECT Server 200/400/6500 Installation and Configuration Guide
Field
Subscription expire(sec)
SIP Configuration - Media
Packet duration(msec)
Media type of service (TOS/Diff-
serv)
Media 802.1p Class-of-Service
Port range start
Codec priority
SDP answer with preferred codec
(Optional)
SDP answer with a single codec
(Optional)
Ignore SDP version (Optional)
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)
14215700-IG, Edition 8.0
April 2018, Original document
Setting
Enter the number of seconds before MWI subscription will be
renewed.
Default value: 3600 sec
Packet duration for transmitted RTP Packets.
Possible values: 10, 20 or 40 msec.
TOS/Diffserv used for RTP (Media) signaling entered in
decimal.
Default value: 184 (EF - Expedited Forwarding)
This is the 802.1p PCP and must be between 0 and 7. The
setting requires VLAN tagging.
Default value: 5
Port range start for local RTP ports.
Default value: 58000
Define the priorities of codecs.
Possible values: PCMU, PCMA, G.726 or G.729.
Specifies if the media handling should ignore the remote
SDP offer codec priorities.
Specifies if the media handling should provide only a single
codec in SDP answers.
Ignore the version of the SDP received from remote end-
points.
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 available
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 negotiation of SRTP
with the remote endpoint is unsuccessful, call establishment
is aborted.
Default value: Disabled
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