Nortel Meridian M22 Key Expansion Module
This 22 button add on module operates off of 1 pair wire and has up to 22 line appearance. It may be added to the M2616 and M2216 telephones.
Nortel Meridian M22 Key Expansion Module
This 22 button add on module operates off of 1 pair wire and has up to 22 line appearance. It may be added to the M2616 and M2216 telephones.
