300-070 Question #382: Real Exam Question with Answer & Explanation

The correct answer is A: Domain name. SIP route patterns in CUCM use domain names and IP addresses as the two bases for routing, enabling both URI-based and topology-based SIP call routing.

Question

When configuring a SIP route pattern, which two provide the basis for routing? (Choose two)

Exhibit

Options

ADomain name
BMAC address
CIP address
DDirectory number
EE.164 number

Explanation

SIP route patterns in CUCM use domain names and IP addresses as the two bases for routing, enabling both URI-based and topology-based SIP call routing.

Common mistakes.

B. MAC addresses identify physical devices during registration in CUCM and are not used as a matching or routing basis in SIP route pattern configuration.
D. Directory numbers are internal CUCM identifiers assigned to endpoints for call routing within the cluster and are not a valid routing basis for SIP route patterns.
E. E.164 numbers are digit strings used in traditional PSTN route patterns for digit matching but are not one of the two routing bases specific to SIP route pattern configuration.

Concept tested. SIP route pattern routing basis - domain and IP

Reference. 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_0101101.html

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