Conexant hcf voice modem

can i use this modem for the asterisk server. i treid a lot of things, but it doesn’t seem to work. can somebody tell me what i have to do to let this work. step by step. all the rest like sip and so one are configured and working, this is the last thing that i like to see working, the connection with pstn

thx

At the top of the Users forum page there’s a link which says “Search”. Use that and find previous questions about using modems with asterisk. This question has been answered several times.