Based on this product's specifications, here are some alternatives and similar models
WLAN Bluetooth Module for ALCATEL ALE-108 ISDN Comfort Phone 5.0 (model 3ML27108AA)
Summary description:
Replacement WLAN and Bluetooth expansion module designed for the ALCATEL ALE-108 ISDN Comfort Phone 5.0. Provides wireless LAN connectivity and Bluetooth support to enable hands-free headsets and Bluetooth devices with the compatible desk phone. Suited for office or home use where adding wireless features to the specified ALCATEL phone is required.