Cisco SPA IP Phone Field Reference
SIP Tab
Cisco Small Business SPA300 Series, SPA500 Series, and WIP310 IP Phone Administration Guide 246
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SIP Parameters
Parameter Description
Max Forward SIP Max Forward value, which can range from 1 to 255.
Defaults to 70.
Max Redirection Number of times an invite can be redirected to avoid an
infinite loop.
Defaults to 5.
Max Auth Maximum number of times (from 0 to 255) a request
may be challenged.
Defaults to 2.
SIP User Agent Name Used in outbound REGISTER requests.
Defaults to $VERSION. If empty, the header is not
included. Macro expansion of $A to $D corresponding
to GPP_A to GPP_D allowed.
SIP Server Name Server header used in responses to inbound
responses.
Defaults to $VERSION.
SIP Reg User Agent Name User-Agent name to be used in a REGISTER request. If
this is not specified, the <SIP User Agent Name> is
also used for the REGISTER request.
Defaults to blank.
SIP Accept Language Accept-Language header used. To access, click the
SIP tab, and fill in the SIP Accept Language field.
There is no default (this indicates SPA9000 does not
include this header). If empty, the header is not
included.
DTMF Relay MIME Type MIME Type used in a SIP INFO message to signal a
DTMF event. This field must match that of the Service
Provider.
Defaults to application/dtmf-relay.
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