Latest voice communication Tenders | Government voice communication Tenders

CTN :45465664

18 Jun, 2026 3.00 Lacs

Thanjavur - Tamil Nadu

Tender For supply of upgradation of laboratory equipment- tansche - upgradation of laboratory equipment, digital ic trainer kit: equipped with 16 high -visibility leds for monitoring experimental outputs and logic status indication. dedicated driver circuitry provided for reliable operation and protection of all 16 leds during experimentation. all 16 driver input lines are terminated through banana connectors for flexible and easy external interfacing. includes 16 spdt toggle switches for generating manual logic input conditions in digital electronics experiments. additional 16 leds provided to display the real-time status of individual switch operations. one terminal of each spdt switch is externally accessible through banana sockets for convenient circuit connections. built -in variable clock generator enables pulse generation for sequential and timing-based digital experiments. frequency adjustment provided through potentiometer and rotary switch combination for precise clock selection. clock output is terminated through banana connectors for quick integration with external circuits and trainer modules. features dual 7 -segment led display with 7447 decoder/driver ic for bcd to display conversion experiments. inputs of the 7447 drivers are terminated at banana connectors for direct digital logic inter-facing. includes solder less breadboard for rapid circuit prototyping and reusable experimental setup development., pam,pwm,ppm trainer kit:pam- ppm- pwm modulation and demodulation techniques, using natural and flat-top sampling. natural sample, sample and hold and flat-top outputs. selectable 2 different sampling pulse frequencies on board. on board sine wave generators. voice communication using dynamic microphone and speaker. -on board filters and amplifier. functional blocks indicated on board mimics. input- output and test points provided on board. built in dc power supply -fully documented operating manual -switch faults .pulse modulation techniques: (1) pulse amplitude modulation (2) pulse width modulation (3) pulse position modulation crystal frequency : 6.14mhz .sampling frequency : 16 khz, 32 khz .sine wave generator : 1 khz & 500 hz, amplitude (0-5) v. tolerance +5% . low pass filter : 4th order bw filter. cut off frequency 3.4 khz. voice communication : voice link using dynamic mic & speaker . ac amplifier : with adjustable gain control interconnections :uninsulated sockets. power:230v,50hz . accessories : manual , set of patch chords, microphone & speaker., electronics work bench:digital storage oscilloscope (dso) - 50mhz - 1no . 3mhz function generator (fg) 1no.dual output variable power supply (rps) (0-30v/2a) - 1no. fixed output power supply ( 12v, 500ma) ( 5v, 500ma) - 1no . digital multimeter 3.5 digit [hand held type] - 2nos 3.5 digit lcr meter [hand held type] - 1no. soldering & desoldering device - 1no., mosfet drain current and transfer characteristics trainer kit:circuit diagram in the front panel.biasing components provided test points are terminated at banana connector.input: 230v ac.housed in a closed cabinet.detailed experimental manual.2mm patch chords provided for inter connecting., frequency response of cs amplifier trainer kit:circuit diagram in the front panel.biasing components provided test points are terminated at banana connector.input: 230v ac.housed in a closed cabinet.detailed experimental manual. 2mm patch chords provided for inter connecting., frequency response of cascode amplifier trainer kit: circuit diagram in the front panel. biasing components provided test points are terminated at banana connector.input: 230v ac. housed in a closed cabinet. detailed experimental manual. 2mm patch chords provided for inter connecting., class a transformer coupled power amplifier trainer kit: circuit diagram in the front panel.biasing components provided test points are terminated at banana connector. input: 230v ac.housed in a closed cabinet.detailed experimental manual.2mm patch chords prov

Central Government/Public Sector

CTN :45177238

25 May, 2026 NA

Delhi - Delhi

Tender For corrigendum : providing of custom bid for services - selection of service provider for providing comprehensive voice communication platform services (toll-free, short code, ivr, non-toll-free, click-to-call, outbound dialer, voice bot & contact centre services)

CTN :45260573

04 Jul, 2026 30.00 Crore

Bathinda - Punjab

Tender For supply of air traffic services modernisation - airfield lighting system of runway with helicopter approach path indicator , voice communication control system , automatic weather station awos with frangible mast , ptz day and night camera system for air traffic control recording , power generation system , stabilized uninterrupted power distribution network for air traffic services equipment , atc and user consoles , trailer mounted mobile atc , server and work station

CTN :44978016

02 Jul, 2026 NA

Delhi - Delhi

Tender For corrigendum : invitation of bids for upgradation of voice communication and control system at mafi phase - i bases

CTN :45241110

26 May, 2026 NA

Adra - West Bengal

Tender For supply, transportation, installation and testing of gsm voice communication system-4g/volte suitable for -01 gsm sim. ( software +hardware+ connecting cables+ software cd).(1) in-built call recording(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 cms. make/brand-aegis or similar. [ warranty period: 30 months after the date of delivery ] ]

State Government

CTN :44732554

22 May, 2026 25.33 Crore

Bhopal - Madhya Pradesh

Tender For corrigendum : selection of an epc contractor for turnkey implementation of an ai_based voice_enabled communication and broadcasting system with audio_visual advisory devices for farmers across apmcs of madhya pradesh for 24 months

CTN :44067984

04 Apr, 2026 NA

Amritsar - Punjab

Tender For bid to ras corrigendum : supply of voice communication and control system (vcc: system)

Central Government/Public Sector

CTN :41956861

31 Mar, 2026 NA

Delhi - Delhi

Tender For bid to ras bid to ras corrigendum : supply installation & testing (sit) of ip based voice communication control system (vccs)vcs technical specifications

Central Government / Public Sector

CTN :44257859

30 Mar, 2026 NA

Secunderabad - Telangana

Tender For 1)supply, installation and commissioning of 04-channel voice logger as per rdso/spn/tc/38-2002 ver- 2 or latest .2)supply and installation of server hardware and software for centralized monitoring of voice communication with voice logging between stations through vhf based secured communication through voice data recording and processing unit (vdrpu) installed at stations as per rdso/spn/tc/038-2002 ver2.

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