Cisco SPA303 Administration Guide

Configuring SIP, SPCP, and NAT
Configuring SIP
Cisco Small Business SPA300 Series, SPA500 Series, and WIP310 IP Phone Administration Guide 117
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Auth INVITE When enabled, authorization is required for initial incoming
INVITE requests from the SIP proxy.
NOTE Not applicable to the WIP310.
Ntfy Refer On 1xx-
To - I n v
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.
Use Anonymous
with RPID
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.
Set G729 annexb Configure G.729 Annex B settings.
NOTE Not applicable to the Cisco SPA525G.
Parameter Description

Cisco SPA303 Specifications

General

Display	Monochrome LCD
Lines	3
Speakerphone	Yes
Headset Jack	Yes (2.5 mm)
Handset	Yes
Ethernet Ports	2 x 10/100 Mbps
Protocol	SIP
Power	Power over Ethernet (PoE) or AC adapter
Audio Codec Support	G.711, G.729
QoS	802.1p/q