Cisco SPA1001 Administration Guide - Page 135

SIP 100REL Enable

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Chapter 5 Linksys ATA Field Reference PSTN Line Tab SIP 100REL Enable EXT SIP Port Auth Resync-Reboot SIP Proxy-Require SIP Remote-Party-ID SIP GUID To enable the support of 100REL SIP extension for reliable transmission of provisional responses (18x) and use of PRACK requests, select yes. Otherwise, select no. The default is no. The external SIP port number. If this feature is enabled, the Linksys IP phone authenticates the sender when it receives the NOTIFY resync reboot (RFC 2617) message. To use this feature, select yes. Otherwise, select no. The default is yes. The SIP proxy can support a specific extension or behavior when it sees this header from the user agent. If this field is configured and the proxy does not support it, it responds with the message, unsupported. Enter the appropriate header in the field provided. To use the Remote-Party-ID header instead of the From header, select yes. Otherwise, select no. The default is yes. (Not in PAP2T) The Global Unique ID is generated for each line for each device. When it is enabled, the Linksys IP phone adds a GUID header in the SIP request. The GUID is generated the first time the unit boots up and stays with the unit through rebooting and even factory reset. This feature was requested by Bell Canada (Nortel) to limit the registration of SIP accounts. The default is yes. Document Version 3.2 Linksys IP Phone Administrator Guide 5-51

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5-51
Linksys IP Phone Administrator Guide
Document Version 3.2
Chapter 5
Linksys ATA Field Reference
PSTN Line Tab
SIP 100REL Enable
To enable the support of 100REL SIP extension for reliable transmission of provisional
responses (18x) and use of PRACK requests, select yes. Otherwise, select no.
The default is no.
EXT SIP Port
The external SIP port number.
Auth Resync-Reboot
If this feature is enabled, the Linksys IP phone authenticates the sender when it receives
the NOTIFY resync reboot (RFC 2617) message. To use this feature, select yes.
Otherwise, select no.
The default is yes.
SIP Proxy-Require
The SIP proxy can support a specific extension or behavior when it sees this header from
the user agent. If this field is configured and the proxy does not support it, it responds
with the message, unsupported. Enter the appropriate header in the field provided.
SIP Remote-Party-ID
To use the Remote-Party-ID header instead of the From header, select yes. Otherwise,
select no.
The default is yes.
SIP GUID
(Not in PAP2T) The Global Unique ID is generated for each line for each device. When
it is enabled, the Linksys IP phone adds a GUID header in the SIP request. The GUID is
generated the first time the unit boots up and stays with the unit through rebooting and
even factory reset. This feature was requested by Bell Canada (Nortel) to limit the
registration of SIP accounts.
The default is yes.