Baby monitors different models pairing?

I have a vtech baby monitor with one (baby unit) model vm320 and the other (parent unit) vm3254. Am I able to pair the two together? I lost the parent unit for vm320 and I need to pair the vm3254 with this. Please help!!

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

crwdns2934109:0crwdne2934109:0

crwdns2889612:0crwdne2889612:0 0
crwdns2934285:0crwdne2934285:0