SIP
SIP Parameters
Description
Parameter
SIP Max Forward value, which can range from 1 to
255.
Default: 70
Max Forward
Number of times an invite can be redirected to avoid
an infinite loop.
Default: 5
Max Redirection
Maximum number of times (from 0 to 255) a request
can be challenged.
Default: 2
Max Auth
Used in outbound REGISTER requests.
Default: $VERSION
If empty, the header is not included. Macro expansion
of $A to $D corresponding to GPP_A to GPP_D
allowed
SIP User Agent Name
Server header used in responses to inbound responses.
Default: $VERSION
SIP Server 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.
Default: Blank
SIP Reg User Agent Name
Accept-Language header used. To access, click the
SIP tab, and fill in the SIP Accept Language field.
There is no default. If empty, the header is not
included.
SIP Accept Language
MIME Type used in a SIP INFO message to signal a
DTMF event. This field must match that of the Service
Provider.
Default: application/dtmf-relay
DTMF Relay MIME Type
MIME Type used in a SIPINFO message to signal a
hook flash event.
Hook Flash MIME Type
Enables you to remove the last registration before
registering a new one if the value is different. Select
yes or no from the drop-down menu.
Remove Last Reg
Cisco IP Phone 6800 Series Multiplatform Phones Administration Guide
231
Phone Troubleshooting
SIP
