For the phone to successfully register and download the firmware, you must have these files in your TFTP root folder:
When extracted, the archive typically includes:
The .zip extension indicates this is the "non-CallManager" or "alternate" format. It is intended for manual deployment via a TFTP server when a Cisco Unified Communications Manager (CUCM) server is not present. Typical Deployment Steps cmterm 7941 7961 sip 8 5 4 zipl
The cmterm-7941-7961-sip.8-5-4.zip file is a ZIP archive containing the necessary binary load files ( .bin or .loads ) required by the Cisco 7941/7961 phone to operate using the SIP protocol, specifically version 8.5.4.
Identifies the file as a Cisco Unified Communications Manager (CUCM) terminal firmware installer. For the phone to successfully register and download
When downloaded from the Cisco Software Central platform or an official administrative repository, the cmterm-7941_7961-sip.8-5-4.zip container extracts directly into eight functional application binaries and description scripts.
Navigate back to CUCM Administration > Device > Device Settings > Device Defaults . Verify that the 7941 and 7961 SIP fields reflect the new firmware string. Reset the targeted phones to begin the download process. Identifies the file as a Cisco Unified Communications
Create or edit the SEP .cnf.xml file. Ensure the tag points to SIP41.8-5-4S .
| Requirement | Detail | |--------------|--------| | | Cisco CallManager (CUCM) 7.x, 8.x, or any standard SIP proxy (Asterisk, FreeSWITCH, Metaswitch) | | TFTP/HTTP Server | Required to serve firmware and configs | | Phone Model | 7941G, 7961G (non-“SR” models) | | Previous Firmware | Upgrade from 8.4.x or later recommended; from older SIP versions requires intermediate upgrade | | Memory/Flash | 16 MB flash minimum (both models have this) |
Cisco SIP phones read their configuration from XML files. You need to create at least two of them in the same TFTP directory as the firmware.
Are you attempting to from SCCP to SIP, or simply upgrading existing SIP endpoints? Share public link
