McDewey

© 2023 Cisco and/or its affiliates. All rights reserved. This document is Cisco Public Information 2 Version: 23rd February 2023 Introduction This document helps configure FXS ports as SIP endpoints registered to Cisco Unified Communications Manager (CUCM) in order to support supplementary services on SIP Endpoints. Prerequisites Cisco recommends to have knowledge of these subjects SIP protocol Foreign Exchange Station (FXS) ports Cisco Unified Communications Manager (CUCM) Cisco Analog Voice Gateway (VG Series) Requirements The FXS ports for Supplementary Services support CUCM version 12.5.1 SU1 or later with IOS XE 16.12.1 and above. CUCM and IOS release for all platforms ISR4461/VG450 IOS: 16.12.1 CUCM: 12.5.1 SU1 VG420 IOS: 17.6.1 CUCM: 12.5.1 SU4, 14.0 SU1 ISR4K, C8300, C8200 and VG400 IOS: 17.8.1 CUCM: 14.0 SU1 Supported Platforms Cisco ISR4451-X/K9 Cisco ISR4461/K9 Cisco ISR4431/K9 Cisco ISR4351/K9 Cisco ISR4331/K9 Cisco ISR4321/K9 C8300-2N2S-4T2X C8300-2N2S-6T C8300-1N1S-4T2X C8300-1N1S-6T C8200-1N-4T C8200L-1N-4T VG400-2FXS/2FXO VG400-4FXS/4FXO VG400-6FXS/6FXO