Configuring SIP, SPCP, and NAT
Configuring SIP
Cisco SPA 500 Series and WIP310 IP Phone Administration Guide 81
4
Support for SIP NOTIFY XML-Service
The Cisco SPA 500 Series IP Phones support the SIP NOTIFY XML-Service event.
On receipt of a SIP NOTIFY message with an XML-Service event, the IP phone
challenges the NOTIFY with a 401 response if the message does not contain
correct credentials. The client must be furnish the correct credentials using MD5
digest with the SIP account password for the corresponding line of the IP phone.
The body of the message may contain the XML event Message. For example:
<CiscoIPPhoneExecute>
<ExecuteItem Priority="0" URL="http://xmlserver.com/event.xml"/>
</CiscoIPPhoneExecute>
Authentication:
challenge = MD5( MD5(A1) ":" nonce ":" nc-value ":" cnonce ":" qop-value
":" MD5(A2) )
where A1 = username ":" realm ":" passwd
and A2 = Method ":" digest-uri
Configuring SIP
SIP settings for the Cisco SPA 500 Series and Wireless IP Phones are configured
for the phone in general and for individual extensions. The following sections
describe SIP configuration.
Configuring SIP Parameters
To configure general SIP parameters, including enabling CTI:
STEP 1 Log in to the web administration interface.
STEP 2 Click Admin Login and advanced.
STEP 3 Click the SIP tab.
STEP 4 Under SIP Parameters, make the necessary configuration changes to the fields
shown in the following table and click Submit All Changes.
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