Product Description

📺 Display & Interface

• 5.6″ graphical TFT color touchscreen (320×240 pixels, 16-bit) for navigating features and applications amazon.com+15cisco.com+15pmctelecom.co.uk+15.

• 8 programmable line/feature keys with backlighting + 5 context-sensitive soft keys convergetp.co.uk+6telephonemagic.com+6metrolinedirect.com+6.

• Navigation cluster (4‑way + Select) and dedicated buttons for Messages, Directories, Settings, Services, Help informedsystemsltd.com+6cisco.com+6stonegroup.co.uk+6.

🎙️ Audio & Codec Support

• Wideband audio (G.722) on handset, headset, and speakerphone for HD-quality voice ipphone-warehouse.com+9cisco.com+9shop.fifonetwork.com+9.

• Supports additional codecs (G.711 a/μ, G.729a/b, iLBC) for flexible network performance telephonemagic.com+8cisco.com+8commswarehouse.co.uk+8.

• Full-duplex speakerphone with acoustic echo cancellation; built-in headset port informedsystemsltd.com+13cisco.com+13shop.fifonetwork.com+13.

• Hearing-aid compatible handset; volume controls for all audio paths metrolinedirect.com+9shop.fifonetwork.com+9stonegroup.co.uk+9.

🌐 Connectivity & Expansion

• Dual Gigabit Ethernet ports with integrated switch; supports PC passthrough and VLAN tagging pmctelecom.co.uk+15cisco.com+15mfcomm.co.uk+15.

• Powered via PoE (IEEE 802.3af Class 3) or optional local power supply shop.fifonetwork.com+1metrolinedirect.com+1.

• Supports up to two Cisco 7914/7916 expansion modules for extra programmable keys shop.fifonetwork.com+3cisco.com+3metrolinedirect.com+3.

🔐 Protocols & Security

• Supports SCCP (Skinny) and SIP signaling reddit.com+6stonegroup.co.uk+6reddit.com+6.

• Secure provisioning & signaling, with X.509 certificates, AES‑128, TLS/SRTP, and 802.1X support cisco.com+1shop.fifonetwork.com+1.

🛠️ Usability & Features

• XML‑based “Services” for weather, stocks, quotes, web information pmctelecom.co.uk.

• Inline directory & call history with LDAP integration pmctelecom.co.uk+4cisco.com+4shop.fifonetwork.com+4.

• User personalization: adjustable brightness, custom wallpapers, ringtone selection cisco.com.

• ADA-compliant features, multiple ring tones (>24), display power-save mode cisco.com+3cisco.com+3shop.fifonetwork.com+3.

⚙️ Manageability

• Firmware updates via Cisco.com, enabling feature expansion without hardware changes ipphone-warehouse.com+7cisco.com+7pmctelecom.co.uk+7.

• Configuration via DHCP, TFTP, CUCM and backup servers cisco.com.

✅ Summary Table

Overall, the 7975G is a high-end, fully-featured IP phone ideal for executives or administrative professionals, offering touchscreen navigation, expansion support, advanced audio, and secure protocol compatibility. Let me know if you’d like help comparing it with another Cisco model or deployment guidance!