210-060 · Question #229
How are calls routed in an MGCP call agent?
The correct answer is A. by route patterns on Cisco Unified Communications Manager. In MGCP, the gateway is a media gateway with no local call-routing intelligence - all routing decisions are made centrally by the call agent using route patterns.
Question
How are calls routed in an MGCP call agent?
Options
- Aby route patterns on Cisco Unified Communications Manager
- Bby dial peers on the gateway
- Cby static routes on the gateway
- Dby a translation pattern on Cisco Unified Communications Manager
How the community answered
(43 responses)- A86% (37)
- B2% (1)
- C9% (4)
- D2% (1)
Why each option
In MGCP, the gateway is a media gateway with no local call-routing intelligence - all routing decisions are made centrally by the call agent using route patterns.
MGCP is a master/slave protocol where the Cisco Unified Communications Manager acts as the call agent and retains full control over call routing. The MGCP gateway has no dial peer configuration for outbound routing; instead, CUCM uses its configured route patterns to determine how calls are directed, sending signaling instructions down to the gateway.
Dial peers are used for call routing on H.323 and SIP gateways, not MGCP gateways, because MGCP gateways do not perform local routing decisions.
Static routes are a network-layer IP routing concept and play no role in call routing logic at the voice gateway level.
Translation patterns in CUCM are used for digit manipulation and number normalization, not for determining the routing path of a call.
Concept tested: MGCP call agent centralized routing via CUCM route patterns
Source: https://www.cisco.com/c/en/us/support/docs/voice/media-gateway-control-protocol-mgcp/8123-MGCP-config.html
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