Core Issue
A session ends when the user tries to install a Session Initiation Protocol (SIP) version 4 release through a TFTP server. After 10 seconds, the TFTP server prompts to upload the file again.
The upgrade fails due to a change in the naming conventions of the images. The earlier code does not understand the new names with the dash characters.
Resolution
To resolve this issue, perform these steps:
- Perform an interim load using the Packet Over SONET (POS) 30203 image.
- Load the later images.
This code release uses the earlier format for the filenames, but it can understand the new format with the dashes.
- You may also need to change the image name in the SIPdefault.cnf file because this has a reference to the software image name as well.
For more information on configuring SIP parameters, refer to the Configuring SIP Parameters via a TFTP Server section of Getting Started With Your Cisco SIP IP Phone (Version 4.0).
IP Phone Models
7960 series
