https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cust_contact/contact_center/icm_enterprise/icm_enterprise_12_6_2/configuration/guide/ucce_b_configuration-guide-for-cisco-unified-icm-enterprise_release_1262/ucce_m_1261-network-ivrs-vrus-config.html
Configuration Guide for Cisco Unified ICM Enterprise, Release 12.6(2) - Network IVRs/VRUs [Cisco...