sip2 0 heavy duty analog phone

​ Anti-Vandal prison inmate Service Telephone supplier Housed in cold rolled steel box and manufactured to a high standard, these telephones offer increased resistance to vandalism, and ensure that the primary function of communications is maintained at ......

Industrial Waterproof Telephone Analog Emergency Telephone Analog Version Industrial Telephone This heavy duty hotline telephone is fully contained within a corrosion resistant cast aluminium weatherproof case, which providing complete protection against ......