Maintenance and Payment of electrical consumption charges of street lighting on PWD North West Roads under NWED. SH Modification in EPABX SIP Telephony System Based on Server Soft Switch installed at North West Circle office, Punjabi Bagh, Delhi

Modification of existing Coral Make 24 Ports IP Analog Gateway which must be powerful VoIP router with Multiple SIP accounts & profiles, G.168 Echo Cancellation, Voice Activation Detection (VAD), Comfort Noise Generation (CNG), and Packet Loss Concealment (PLC) and AEC with NLP Packetized Voice Protocol Unit (supports RTP and AAL2 protocol), G.168 compliant Echo Cancellation, Dynamic Jitter Buffer, Modem detection & auto-switch to G.711 etcand full IPv4/IPv6 support with DOT approval, SIP Trunk, support of Dual AC power supply, onboard OFC port over Gateway, 4 ethernet port to connect other gateway, 48Volt DC Power supply, universal port to accommodate FXS/FXO asper customer requirements. Offered OEM Must be TTP approved, DSIR certificate & system must have a valid TEC GR Certificate with all type I, II & III approval & system in active-active mode system capable to integrate with existing different location PBX systemetc as reqd. (MII Local content must be min 65%)

Supplying, Installation, Testing & Commissioning of Analog phones having standard feautres like 16 digit LCD display, 2 way speaker, caller ID and number storage facility etc. complete as required.

Supplying and fixing of following size Wall Mount Rack having Fixed Structure with 0.8mm CRCA Sheet, completely knocked-down condition (CKD) Shape, Vertical Mounting Rail 1.6 mm with 'U'Marking, Minimum 2 cable entry/exit provision at Top and bottom with rubber protection, Front 5mm Toughened Glass with lock, wall mounting kit, Powder coated olor- RAL- 7035, complied with UL & RoHS, 2 x 6 sockets 16A power distribution units, 3 numbers closed cable organizer, Hardware mounting screws packet of 20 x 1 number, etc. complete as required. a) 6U Rack

Supplying, drawing, Installation, Testing and commissioning of CAT6 UTP LSZH 23AWG Twisted Pair Cable in existing conduit/ on surface, Category 6 Unshielded Twisted Pair, 4 pair should be complied as per UL/ETL verification program for compliance with ANSI/TIA-568.2-D standard. Outer diameter should be in the range of 6.1mm nominal with Operating Temperature Range : -5° to +60°C, Bending Radius : < 4 X Cable Diameter at –5°C ± 1°C and Pulling Force : 11.5Kg etc. complete as required. a) 1 Run of Cable

Supplying and fixing of following sizes of medium class PVC conduit along with accessories in surface/recess including cutting the wall and making good the same in case of recessed conduit as required. a) 25 mm

Supplying and fixing of following sizes of U-PVC feeder trunking with cover whereever necessary as per length of run on the existing wall i/c band, tee, Coupler, Elbow and others items etc. as required at site. a) 32 mm x 16 mm