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Administrator’s Guide - SoundPoint IP / SoundStation
®
IP Optimization
88 Copyright © 2006 Polycom, Inc.
4.6.1.1.3 SDP <SDP/>
4.6.1.1.4 SIP <SIP/>
voIpProt.server.x.retryMaxCount Null or
non-negative
integer
3 If set to 0 or Null, 3 is used.
retryMaxCount retries will be
attempted before moving on to
the next available server.
voIpProt.server.x.expires.lineSeize positive integer,
minimum 10
30 Requested line-seize subscrip-
tion period.
a. This is the phone’s requested registration period. The period negotiated with the server may
be different. The phone will attempt to re-register at the beginning of the overlap period. For
example, if “expires”=3600 and “overlap”=60, the phone will re-register after 3540 seconds
(3600 – 60).
Attribute
Permitted
Values
Default Interpretation
volpProt.SDP.answer.userLo-
calPreferences
0 or 1 0 If set to 1, the phones uses its own pref-
erence list when deciding which codec
to use rather than the preference list in
the offer. If set to 0, disabled.
Attribute
Permitted
Values
Default Interpretation
voIpProt.SIP.useRFC2543hold 0, 1 0 If set to 1, use the obsolete c=0.0.0.0
RFC2543 technique, otherwise, use
SDP media direction attributes (such as
a=sendonly) per RFC 3264 when initi-
ating hold. In either case, the phone
processes incoming hold signaling in
either format.
voIpProt.SIP.lcs 0, 1 0 If set to 1, the proprietary “epid”
parameter is added to the From field of
all requests to support Microsoft
®
Office Live Communications
Server 2005.
Attribute
Permitted
Values
Default Interpretation