Cisco SPA301 Administration Manual page 258

Cisco SPA IP Phone Field Reference
SIP Tab
Cisco Small Business SPA300 Series, SPA500 Series, and WIP310 IP Phone Administration Guide
Parameter
SRTP Method
Hold Target Before REFER
Dialog SDP Enable
Description
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
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
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.
A
Cisco WIP310
.
Cisco WIP310
.
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