Cisco SPA303 Administration Manual page 119

Configuring SIP, SPCP, and NAT
Configuring SIP
Cisco Small Business SPA300 Series, SPA500 Series, and WIP310 IP Phone Administration Guide
Parameter
Auth INVITE
Ntfy Refer On 1xx-
To-Inv
Use Anonymous
with RPID
Set G729 annexb
Description
When enabled, authorization is required for initial incoming
INVITE requests from the SIP proxy.
NOTE Not applicable to the WIP310.
If set to yes, as a transferee, the phone will send a NOTIFY with
Event:Refer to the transferor for any 1xx response returned by
the transfer target, on the transfer call leg.
If set to no, the phone will only send a NOTIFY for final
responses (200 and higher).
NOTE Not applicable to the WIP310.
This parameter applies only if <SIP Remote-Party-ID> is set to
yes; otherwise, it is ignored.
If the parameter is set to yes, the FROM header's display-name
and user-id fields are set to anonymous when the caller blocks
his caller-id. If the parameter is set to no, the FROM header's
display-name and user-id are not masked. The Remote-Party-
ID header indicates privacy=full when the caller wishes to
block his caller-id.
Default: yes.
NOTE Not applicable to the WIP310.
Configure G.729 Annex B settings.
NOTE Not applicable to the Cisco SPA525G.
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