Handset also fits:

KXF110     CONSUMER FACSIMILE  
KXF50       CONSUMER FACSIMILE  
KXF60       CONSUMER FACSIMILE  
KXF90       CONSUMER FACSIMILE 
KXT2346   SINGLE-LINE PHONE  
KXT2370   SINGLE-LINE PHONE 
KXT2740   PHONE/ANSWER MACHINE  
KXT3155   MULTI-LINE PHONE  
KXT3165   MULTI-LINE PHONE  
KXT3165B  2 LINE TELEPHONE  
KXT3175   MULTI-LINE PHONE 
KXT3175B  2 LINE TELEPHONE 
KXT3185   MULTI-LINE PHONE

KXT3185B      CORDLESS TELEPHONE  
KXT3186B      MULTI-LINE PHONE  
KXT7135B      ANALOG PBX PHONE  
KXT7135MBUK   PROPRIETARY TELEPHONE 
KXT7220B      DIGITAL PBX PHONE  
KXT7230       DIGITAL PBX PHONE  
KXT7230MBUK   TELEPHONE EQUIPMENTS  
KXT7235       DIGITAL PBX PHONE  
KXT7235MBUK   TELEPHONE EQUIPMENTS  
KXT7250       DIGITAL PBX PHONE  
KXT7250B     DIGITAL PBX PHONE  
KXT7250MBUK   TELEPHONE EQUIPMENTS  
KXT7420B     DIGITAL PBX PHONE

KXT7425B     DIGITAL PBX PHONE  
KXT7431B     DIGITAL PBX PHONE 
KXT7433B     DIGITAL PBX PHONE  
KXT7433MBUK   DIGITAL PROPRIETARY TELEP 
KXT7436B     DIGITAL PBX PHONE  
KXT7453B     DIGITAL PBX PHN/LIT  
KXT7456B     DIGITAL PBX PHONE 
KXTS25B      MULTI-LINE PHONE