210-060 · Question #159
A network engineer must set up an end-user account for a SIP device to use for authentication. Which end-user information is used for SIP authentication?
The correct answer is D. digest credentials. SIP devices in Cisco Unified Communications Manager use digest credentials, not the standard user password, because SIP authentication relies on the HTTP Digest Authentication mechanism.
Question
A network engineer must set up an end-user account for a SIP device to use for authentication. Which end-user information is used for SIP authentication?
Options
- Aaccount ID
- Bpassword
- CPIN
- Ddigest credentials
How the community answered
(23 responses)- A4% (1)
- B4% (1)
- D91% (21)
Why each option
SIP devices in Cisco Unified Communications Manager use digest credentials, not the standard user password, because SIP authentication relies on the HTTP Digest Authentication mechanism.
Account ID is not a recognized field for SIP authentication within CUCM's end-user configuration.
The standard password field in CUCM is used for user web access and is separate from the digest credentials used for SIP authentication challenges.
PIN is used for features such as voicemail access and Extension Mobility, not for SIP device authentication.
Cisco Unified Communications Manager requires digest credentials to be configured separately on the end-user account for SIP endpoint authentication. SIP uses the Digest Authentication challenge-response scheme defined in RFC 3261, which requires a dedicated digest username and password. The regular CUCM user password is used only for web and application logins, not for SIP challenge authentication.
Concept tested: SIP digest authentication credentials in CUCM
Source: https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/admin/12_5_1/systemConfig/cucm_b_system-configuration-guide-1251/cucm_b_system-configuration-guide-1251_chapter_0100001.html
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