SIP ND2105S - Phone Teledex - Free user manual and instructions
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| Product Type | SIP VoIP Desk Phone |
| Brand | Teledex |
| Model | SIP ND2105S |
| Dimensions (H x W x D) | 200 x 170 x 120 mm |
| Weight | 0.8 kg |
| Power Supply | PoE (IEEE 802.3af) or AC adapter 5V DC (included) |
| Display | 2.3-inch monochrome LCD with backlight |
| Network Interfaces | 2x RJ45 10/100 Ethernet (LAN & PC pass-through) |
| Audio Features | Full-duplex speakerphone, handset, 3.5mm headset jack |
| Call Features | Hold, transfer, conference, call waiting, caller ID, redial, mute |
| Programmable Keys | 4 programmable function keys with LED indicators |
| Protocols | SIP 2.0 (RFC 3261), TCP/UDP, DHCP, VLAN, 802.1p/Q |
| Security | TLS, SRTP, HTTPS, 802.1X authentication |
| Phonebook | Up to 100 contacts |
| Call Logs | Recent calls: received, dialed, missed (100 entries each) |
| Wall Mountable | Yes (bracket included) |
| Cleaning Instructions | Wipe with a soft dry cloth; do not use liquids or cleaners |
| Operating Temperature | 0°C to 45°C |
| Compliance | FCC, CE, RoHS |
Frequently Asked Questions - SIP ND2105S Teledex
How do I set up the SIP ND2105S phone for the first time?
Connect the phone to your network using the LAN port and power it via PoE or the included AC adapter. The phone will automatically obtain an IP address via DHCP. Configure SIP server settings through the phone's menu or web interface.
Can I use the phone without an external power adapter?
Yes, the SIP ND2105S supports Power over Ethernet (PoE) 802.3af. Connect it to a PoE-enabled switch to power the phone without an AC adapter.
How do I program the function keys?
Press the Menu button, go to 'Programmable Keys', select a key, and assign a feature like speed dial, call forward, or voicemail. Some keys may have default functions.
How can I transfer a call?
During an active call, press the 'Transfer' soft key. Enter the target number, then press 'Transfer' again to complete the transfer (blind) or wait for the recipient to answer then press 'Transfer' (attended).
How do I access the phone's web interface?
Press Menu, select 'Status' to find the phone's IP address. Open a web browser on your computer, enter the IP address, and log in using administrator credentials (default: admin/admin).
What should I do if the phone has no dial tone?
Check that the Ethernet cable is securely connected and the phone is powered. Verify that the SIP server is correctly configured and that your network allows VoIP traffic. Try restarting the phone.
Can I use a headset with this phone?
Yes, the phone has a 3.5mm headset jack on the side. Connect a standard headset (single-pin or with a microphone) and select 'Headset' mode via the button on the phone.
How do I clean the phone?
Use a soft, dry cloth to wipe the surface. Do not apply liquids or cleaning agents to the phone. For the handset earpiece, remove the foam cover if applicable and clean gently.
What security features are supported?
The phone supports TLS and SRTP for encrypted signaling and media, HTTPS for web interface access, and 802.1X for network authentication. Enable these in the security settings.
Can I mount the phone on a wall?
Yes, the SIP ND2105S is wall-mountable. Insert the included bracket into the slots on the back of the phone, then secure the bracket to the wall with screws (not included).
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