300-820 · Question #183
In Cisco Expressway, which information from an incoming search request does the pre-search transform configuration allow to be modified?
The correct answer is B. called address. Pre-search transforms in Cisco Expressway allow the destination address (called address) of an incoming search request to be modified before the search is performed.
Question
In Cisco Expressway, which information from an incoming search request does the pre-search transform configuration allow to be modified?
Options
- Acalling party
- Bcalled address
- CSource IP address
- DCLID
How the community answered
(37 responses)- A3% (1)
- B86% (32)
- C8% (3)
- D3% (1)
Why each option
Pre-search transforms in Cisco Expressway allow the destination address (called address) of an incoming search request to be modified before the search is performed.
The calling party identity is not modified by pre-search transforms; transforms specifically target the destination (called) address, not the source.
Pre-search transforms operate on the alias or URI in the called address field of a search request, allowing Expressway to rewrite the destination before any zone search or dial plan lookup begins. This enables number normalization, domain replacement, or prefix stripping before routing decisions are made.
Source IP address is a network-layer attribute that is not accessible or modifiable by Expressway dial plan transforms.
CLID (Calling Line Identification) is a telephony presentation attribute handled separately from dial plan transforms and is not within the scope of pre-search transform configuration.
Concept tested: Expressway pre-search transform modifying called address
Source: https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/expressway/admin_guide/X14-3/exwy_b_cisco-expressway-administrator-guide/exwy_m_dial-plan-overview.html
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