Cisco 521SG Administration Guide - Page 235

Keep Referee When REFER, Hold Target Before REFER

Page 235 highlights

Cisco SPA IP Phone Field Reference SIP Tab A Parameter Description SRTP Method Selects the method to use for SRTP. Two choices are available: • x-sipura-legacy SRPT method • s-descriptor-new method compliant with RFC3711 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. Keep Referee When REFER Set this parameters to yes to configure the phone Failed to immediately handle NOTIFY sipfrag messages. You can also configure this parameter in the configuration file: Yes Cisco Small Business SPA300 Series, SPA500 Series, and WIP310 IP Phone Administration Guide 234

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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
234
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
.
Keep Referee When REFER
Failed
Set this parameters to yes to configure the phone
to immediately handle NOTIFY sipfrag messages.
You can also configure this parameter in the
configuration file:
<Keep_Referee_When_REFER_Failed ua="na">Yes
</Keep_Referee_When_REFER_Failed>
Parameter
Description