Operation Manual

Configuring SIP, SPCP, and NAT
Configuring SIP
Cisco Small Business SPA300 Series, SPA500 Series, and WIP310 IP Phone Administration Guide 104
4
Notify
Conference
If set to yes, Cisco SPA IP phones send out a NOTIFY with
event=conference when starting a conference call (with the
BroadSoft Conference Package). Defaults to no.
RFC 2543 Call
Hold
If set to yes, Cisco SPA IP phones include Session
Description Protocol (SDP) syntax c=0.0.0.0 when sending a
SIP re-INVITE to a peer to hold the call. If set to no,
Cisco SPA IP phones do 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 On Reboot
If set to yes, Cisco SPA IP phones use a different random
call-ID for registration after the next software reboot. If set to
no, the 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. Not applicable to the Cisco WIP310.
Mark All AVT
packets
If set to yes, all audio video transport (AVT) tone 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 Lowest TCP port number that can be used for SIP sessions.
Defaults to 5060.
SIP TCP Port
Max
Highest TCP port number that can be used for SIP sessions.
Defaults to 5080.
Keep Referee
When REFER
Failed
When set to yes, the phone immediately handles NOTIFY
sipfrag messages.
Parameter Description
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