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Chapter 5
SPA900 Series Phone Field Reference
SIP Tab
This section describes the fields for the following headings on the SIP tab:
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SIP Parameters
Field
Max Forward
Max Redirection
Max Auth
SIP User Agent Name
SIP Server Name
SIP Reg User Agent Name
SIP Accept Language
DTMF Relay MIME Type
Remove Last Reg
Document Version 3.0
SIP Parameters, page 5-8
SIP Timer Values (sec), page 5-10
Response Status Code Handling, page 5-11
RTP Parameters, page 5-12
SDP Payload Types, page 5-13
NAT Support Parameters, page 5-16
Description
SIP Max Forward value, which can range from 1 to 255.
The default is 70.
Number of times an invite can be redirected to avoid an infinite loop.
The default is 5.
Maximum number of times (from 0 to 255) a request may be challenged.
The default is 2.
User-Agent header used in outbound requests.
The default is $VERSION. If empty, the header is not included. Macro expansion
of $A to $D corresponding to GPP_A to GPP_D allowed.
Server header used in responses to inbound responses.
The default is $VERSION.
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.
The default is blank.
Accept-Language header used. There is no default (this indicates 900 Series
phone does not include this header). If empty, the header is not included.
MIME Type used in a SIP INFO message to signal a DTMF event.
The default is application/dtmf-relay.
Lets you remove the last registration before registering a new one if the value is
different. Select yes or no from the drop-down menu.
The default is no.
Linksys 900 Series IP Phone Administrator Guide
SIP Tab
5-9
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