Cisco SPA 501G Administration Manual page 94

Configuring SIP, SPCP, and NAT
Configuring SIP
Cisco SPA 500 Series and WIP310 IP Phone Administration Guide
Parameter Description
Conference If set to yes, enables support for the BroadSoft Conference
Package Package, which enables users to start a conference call by
clicking a button in an external application. Defaults to no.
Notify Conference If set to yes, the Cisco IP phone sends out a NOTIFY with
event=conference when starting a conference call (with the
BroadSoft Conference Package). Defaults to no.
RFC 2543 Call If set to yes, the Cisco IP phone includes SDP syntax c=0.0.0.0
Hold when sending a SIP re-INVITE to a peer to hold the call. If set to no,
the Cisco IP phone does not include the c=0.0.0.0 syntax in the
SDP. With either setting, the phone includes a=sendonly syntax in
the SDP.
Defaults to yes.
Random REG CID If set to yes, the IP phone uses a different random call-ID for
On Reboot registration after the next software reboot. If set to no, the IP
phone tries to use the same call-ID for registration after the next
software reboot. With either setting the phone uses a new random
call-ID for registration after a power-cycle. Defaults to no.
NOTE
Mark All AVT If set to yes, all audio video transport (AVT) tone packets
packets (encoded for redundancy) have the marker bit set. If set to no, only
the first packet has the marker bit set for each DTMF event.
Defaults to yes.
SIP TCP Port Min Specifies the lowest TCP port number that can be used for SIP
sessions. Defaults to 5060.
SIP TCP Port Max Specifies the highest TCP port number that can be used for SIP
sessions. Defaults to 5080.
Not applicable to the WIP310.
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