Cisco Emergency Responder

This call type uses the Cisco Emergency Responder (CER) to manage the emergency call. If configured, the call is routed through Aggregation or the Local Gateway. Each cluster has its own CER server. Emergency Calling is provided, regardless of the Class of Service, as long as the phone is registered.

CER includes:

• SIP/SCCP signaling traffic for the endpoint is between the endpoint and Cisco Unified Communications Manager
• SIP signaling traffic for SIP trunking is between the SIP trunking Session Border Controller (SBC) and Cisco Unified Communications Manager
• Media traffic is between the endpoint and SIP trunk SBC

Usage	The Emergency number follows the Numbering Plan requirements The Emergency number can include an access code if necessary The Calling Party Number is one of: DDI of the Line or Site Emergency Published Number if the line does not have a DDI Site Emergency Published Number For Extension Mobility where a user logs in to a Remote Site, the Site Emergency Publish Number is used Emergency Calls are based on the device and not the line
Accessibility	User can perform Off-Net call from any endpoint registered with Cisco Unified Communications Manager
Usage Example	User can dial any PSTN number from their phone
Default Configuration	Available to all registered phones DDI of the DN is sent if available; otherwise, Site Emergency Publish Number is sent
Configuration Choices	Can be configured to send only the Site Emergency Publish Number for all emergency calls
Redundancy	Available to users without restrictions
Survivability	Not available to users in fallback mode
Class of Service	Available to all Classes of Service
Endpoint Types Supported	Cisco IP phones Cisco ATA Cisco VG