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Cisco SPA IP Phone Field Reference
SIP Tab
Cisco Small Business SPA300 Series, SPA500 Series, and WIP310 IP Phone Administration Guide
258
A
SRTP Method
Selects the method to use for SRTP. Two choices
are available:
•
x-sipura—legacy SRPT method
•
s-descriptor—new method compliant with RFC-
3711 and RFC-4568
The default value is "x-sipura.”
NOTE
Not applicable to
Cisco WIP310
.
Hold Target Before REFER
Controls whether to hold call leg with transfer
target before sending REFER to the transferee
when initiating a fully-attended call transfer
(where the transfer target has answered). Default
value is "no,” where the call leg is not held.
NOTE
Not applicable to
Cisco WIP310
.
Dialog SDP Enable
When enabled and the Notify message body is
too big causing fragmentation, the Notify
message xml dialog is simplified; Session
Description Protocol (SDP) is not included in the
dialog xml content.
Parameter
Description