Cisco 7821

where A1 = username ":" realm ":" passwd
and A2 = Method ":" digest-uri
SIP Configuration
SIP settings for the Cisco IP Phone are configured for the phone in general and for the extensions.
Configure the Basic SIP Parameters
Before you begin
Access the phone administration web page. See Access the Phone Web Page, on page 80.
Procedure
Step 1 Select Voice > SIP.
Step 2 In the SIP Parameters section, set the SIP parameters as described in SIP Parameters, on page 232.
Step 3 Click Submit All Changes.
Configure the SIP Timer Values
Before you begin
Access the phone administration web page. See Access the Phone Web Page, on page 80.
Procedure
Step 1 Select Voice > SIP.
Step 2 In the SIP Timer Values section, set the SIP timer values in seconds as described in SIP Timer Values (sec),
on page 235.
Step 3 Click Submit All Changes.
Configure the Response Status Code Handling
Before you begin
Access the phone administration web page. See Access the Phone Web Page, on page 80.
Procedure
Step 1 Select Voice > SIP.
Step 2 In the Response Status Code Handling section, set the values as specified:
Cisco IP Phone 7800 Series Multiplatform Phones Administration Guide
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Cisco IP Phone Installation
SIP Configuration