supply of supply of caller id speaker telephone ,beetel abs telephone instrument single push button,supply of cordless telephone . , supply of caller id speaker telephone instrument single push button of make: beetel model: m90 or similar. [ warranty period: 12 months after the date of delivery ] ] , beetel abs telephone instrument single push button brand: beetel [ warranty period: 12 months after the date of delivery ] ] , supply of cordless telephone single line with detailed specification attached in annexure-b. make: panasonic, model: kx-tg-3611sx or similar. [ warranty period: 12 months after the date of deliver y ] ]