D-Link DVG-2102S – 2-Port VoIP Telephone Adapter with 2 FXS Ports, QoS, Voice VLAN, T.38 Fax & IVR Configuration

• The D-Link DVG-2102S is a 2-Port VoIP Telephone Adapter designed for home and SOHO Internet phone applications.

• It allows users to connect up to two ordinary analog telephone sets and make low-cost Internet phone calls using a DSL/cable modem connection.

• The adapter includes 2 RJ-11 FXS phone ports and 1 RJ-45 10/100BASE-TX LAN port with auto-MDI/MDIX.

• The DVG-2102S supports two simultaneous Internet phone connections, allowing two users to make calls at the same time.

• It includes useful VoIP call features such as call transfer, caller ID, 3-way conference, phonebook, speed dialing, hotline, warm line, call forwarding, call waiting, call hold, call pickup, call return, and Do Not Disturb.

• It also supports QoS, voice VLAN, firewall/DoS protection, IVR setup, T.38 fax, TR-069/104 optional provisioning, and web-based firmware upgrade.

• 2-Port VoIP Telephone Adapter for Internet phone calls

• 2 × RJ-11 FXS phone ports for analog telephone sets

• 1 × RJ-45 10/100BASE-TX LAN port with auto-MDI/MDIX

• Allows two simultaneous Internet phone calls

• Suitable for home and SOHO use

• Supports IVR configuration without turning on the PC

• Supports QoS for smooth voice communication over the Internet

• Supports voice VLAN tagging

• Supports 802.1p priority queues and DiffServ DSCP

• Supports caller ID display

• Supports 3-way call conference with local mixer

• Supports call parking, call back on busy, call hold, call waiting, and call pickup

• Supports call forwarding options including Always, Busy, No Answer, Follow Me, Unconditional, and Unavailable

• Supports Direct IP-to-IP call without SIP proxy

• Supports phonebook with speed dial

• Supports Multi SIP Account up to 3 proxy

• Supports MWI and VMWI via FSK

• Supports music on hold

• Supports T.38 real-time fax and T.30 fax bypass

• Supports automatic provisioning and web firmware upgrade

• FCC Class B and CE certified

• Product Type: 2-Port VoIP Telephone Adapter

• Model: DVG-2102S

• FXS Ports: 2 × RJ-11 phone ports

• LAN Port: 1 × RJ-45 10/100BASE-TX with auto-MDI/MDIX

• Diagnostic LEDs: Power, Phone × 2, WAN

• Reset Button: Supported

• Dimensions: 135 × 96 × 40 mm

• Weight: 160 g

• Power Requirement: 12V DC / 1A

• Power Input: 100–240V AC, 50/60Hz, 1A

• Power Consumption: 4.8W

• Operating Temperature: 0°C to 45°C

• Storage Temperature: -20°C to 65°C

• Operating Humidity: 10% to 90% non-condensing

• Storage Humidity: 5% to 95% non-condensing

• MTBF: 115,486 hours

• EMI Certifications: FCC Class B, CE

• Telecom Certifications: FCC Class B, CE

• 3-way call conference with local mixer

• Call parking

• Call Back on Busy

• Digit Map

• Direct IP-to-IP Call without SIP Proxy

• Echo Cancellation with 64ms echo tail

• Hotline and warm line calling

• Phonebook with speed dial

• Music on hold

• MWI

• Multi SIP Account up to 3 proxy

• Peer-to-Peer RTP connection without proxy

• VMWI via FSK

• Anonymous Call Blocking

• Call Block and Filter

• Call Forwarding Always

• Call Forwarding Busy

• Call Forwarding No Answer

• Call Forwarding Follow Me

• Call Forwarding Unconditional

• Call Forwarding Unavailable

• Call History / Call Status

• Call Hold

• Caller ID with proxy support

• Caller ID Blocking

• Call Pickup

• Call Return

• Call Transfer with proxy support

• Call Time

• Call Park and Retrieve

• Call Waiting

• Do Not Disturb

• Voice Codecs: G.711 μ/A-law, G.729A/B/AB, G.723 6.3/5.3kbps, G.726 40

• Echo Cancellation

• Voice Activity Detection for G.711 / G.723 / G.729

• Comfort Noise Generation for G.711 / G.723 / G.729

• Out-of-Band DTMF Event

• Incoming / Outgoing Gain Control

• Automatic Voice / Fax / Data Detection and Switching up to 33.6kbps

• Adaptive Jitter Buffer

• G3 / Super G3 T.38 up to 14.4kbps

• DTMF Detection and Generation

• Caller ID Detection and Generation: Bellcore Type 1 & 2, ETSI Type 1 & 2

• Caller ID Detection Mode: DTMF + FSK Auto Detection

• Tone / Multi-Tone Detection: 300Hz – 2kHz

• T.38 Real-Time Fax / T.30 Fax Bypass through G.711

• CPT: 1 Continuous Cadence Step, 16 Sets Optional

• FXS Support 12 / 16kHz Optional

• Terminating Impedance Agnostic: 8 Settings

• Automatic Provisioning

• Firmware Update Support

• TR-069 / TR-104 Optional

• Configuration Backup / Restore

• DHCP / PPPoE / Static / PPTP / L2TP / MAC Clone on WAN

• DNS and Dynamic DNS

• Firmware Upgrade through Web Interface

• Flat Call Detail Record

• WAN IP and Net Mask Specification

• Network Time Protocol Synchronization

• Configurable Time Zone

• Password Security for Web UI

• SNMP v2

• System Event

• Syslog

• TFTP / FTP / HTTP Client

• TFTP Repository Maintenance

• By Port Registration

• By Device Registration / Shared Account

• Mixed Mode

• Hunt Number for Inbound and Port Number for Outbound

• Invite with Challenge

• Register by SIP Server IP Address or Domain Name

• Supports RFC3986 SIP URI Format

• ToS Support

• 802.1p Priority Queues with 8 Queues

• DiffServ DSCP

• VLAN Tagging in Voice

• Home Internet phone calls

• SOHO VoIP communication

• Analog phone to VoIP conversion

• Two-line VoIP telephone applications

• SIP service connection for analog phones

• Small office phone systems

• Fax over IP applications

• Low-cost international calling

• IP-to-IP calling applications

• Offices that want to keep existing analog handsets

• Recommended for home and SOHO users who need to connect ordinary analog phones to VoIP services.

• Suitable for small offices requiring 2 FXS ports with essential call features and simple management.

• A practical option for keeping existing analog handsets while using Internet-based calling.

• QoS, voice VLAN, IVR setup, and T.38 fax support make it useful for stable voice and fax communication over IP networks.