supply of fixed cellular telephone , fixed cellular telephone working in volte/4g having inbuilt call recording ,voice mail ,phone book & directory supply, transportation, installation and testing of gsm voice communication system-4g/v olte suitable for -01 gsm sim. ( software +hardware+ connecting cables+ software cd).(1) in-built call r ecording(32000 hrs), (2) click to call facility,(3) voice mail facility(night, holiday),(4) user facility gui,(5) bulk sms friendly, (6) voice broadcasting,(6) incoming call pop -up,(7)phone book , (8) integration with cm s. [ warranty period: 30 months after the date of delivery ] ]