Polycom CX5500 Unified Conference Station Administrator’s Guide
1.1.0
Polycom, Inc.
337
<SDP/>
The configuration parameters in the table
Session Description Protocol Parameters
is defined as follows:
Session Description Protocol (SDP) Parameters
Parameter
Permitted Values
Default
voIpProt.SDP.answer.useLocalPreferences
0 or 1
0
If set to 1, the phones uses its own preference list when deciding which codec to use rather than the preference
list in the offer. If set to 0, it is disabled.
voIpProt.SDP.early.answerOrOffer
0 or 1
0
If set to 1, an SDP offer or answer is generated in a provisional reliable response and PRACK request and
response. If set to 0, an SDP offer or answer is not generated.
Note: An SDP offer or answer is not generated if
reg.x.musicOnHold.uri
is set.
voIpProt.SDP.iLBC.13_33kbps.includeMode
0 or 1
1
If set to 1, the phone should include the mode=30 FMTP parameter in SDP offers:
If voice.codecPref.iLBC.13_33kbps is set and voice.codecPref.iLBC.15_2kbps is Null.
If voice.codecPref.iLBC.13_33kbps and voice.codecPref.iLBC.15_2kbps are both set, the iLBC 13.33 kbps codec
is set to a higher preference.
If set to 0, the phone should not include the mode=30 FTMP parameter in SDP offers even if iLBC 13.33 kbps
codec is being advertised. See <codecPref/>.
voIpProt.SDP.useLegacyPayloadTypeNegotiation
0 or 1
0
If set to 1, the phone transmits and receives RTP using the payload type identified by the first codec listed in the
SDP of the codec negotiation answer.
If set to 0, RFC 3264 is followed for transmit and receive RTP payload type values.
<SIP/>
The configuration parameters in the table
Session Initiation Protocol Parameters
is defined as follows.
Session Initiation Protocol (SIP) Parameters
Parameter
Permitted
Values
Default
voIpProt.SIP.acd.signalingMethod
1
0 or 1
0
If set to 0, the ‘SIP-B’ signaling is supported. (This is the older ACD functionality.)
If set to 1, the feature synchronization signaling is supported. (This is the new ACD functionality.)
Summary of Contents for CX5500
Page 358: ...Polycom Inc 358 Polycom UC Software Menu System ...
Page 359: ...Polycom CX5500 Unified Conference Station Administrator s Guide 1 1 0 Polycom Inc 359 ...
Page 360: ...Polycom CX5500 Unified Conference Station Administrator s Guide 1 1 0 Polycom Inc 360 ...
Page 361: ...Polycom CX5500 Unified Conference Station Administrator s Guide 1 1 0 Polycom Inc 361 ...
Page 362: ...Polycom CX5500 Unified Conference Station Administrator s Guide 1 1 0 Polycom Inc 362 ...
Page 363: ...Polycom CX5500 Unified Conference Station Administrator s Guide 1 1 0 Polycom Inc 363 ...