Cisco

Cisco CP-7940G | 2-line IP desk phone, 2x 10/100 switch ports, PoE (Cisco Inline/802.3af-compatible), monochrome display, SIP/SCCP-capable, RJ-9 headset

SKU:CP-7940G

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Description

Reliable 2-line VoIP desk phone with a pixel-based monochrome display, integrated 2-port 10/100 switch for PC passthrough, and full-duplex speakerphone. Compatible with SCCP (CUCM) and SIP firmware options for versatile deployments. Supports QoS and VLAN tagging for enterprise networks and includes an RJ‑9 headset port.

Features

- 2-line operation for essential call handling
- Integrated 2-port 10/100 switch for PC passthrough
- Full-duplex speakerphone and RJ-9 headset interface
- Flexible SCCP/SIP firmware options
- Enterprise QoS and VLAN support

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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FAQs

Technical Specifications

FAQs

Q: Is the display backlit?
A: This model uses a monochrome display without backlighting.

Q: Will it work with a SIP PBX?
A: Yes, when loaded with SIP firmware. SCCP firmware is intended for Cisco Unified Communications Manager.

Q: Does it support PoE?
A: Yes. It supports Cisco Inline Power and, depending on hardware/firmware, 802.3af PoE. An external power adapter can also be used.

Q: Are RJ-9 headsets supported?
A: Yes. Most RJ-9 wired headsets are compatible; EHS/lifter support depends on the headset vendor.

Technical Specifications

- Lines/Appearances: 2
- Display: Monochrome pixel-based LCD
- Ethernet: 2x 10/100 (phone + PC passthrough)
- Power: Cisco Inline Power; 802.3af support varies by hardware/firmware; optional external PSU
- Protocols: SCCP (CUCM) or SIP (with appropriate firmware)
- Audio: Full-duplex speakerphone; RJ-9 headset port
- QoS: 802.1p/DSCP; 802.1Q VLAN tagging; DHCP/Static IP
- Codecs: G.711 a/u-law, G.729a/b (SIP image support dependent)
- Security: Network access control features (e.g., 802.1X where supported)

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