United States
Q
What are the key features of the Sip Phone 3900 Series?
A
The Sip Phone 3900 Series offers HD audio, a 4.3-inch color display, six programmable DSS keys, PoE support, dual Gigabit Ethernet ports, and broad SIP interoperability for reliable VoIP communications.
Q
How do I perform the initial setup of my Sip Phone 3900 Series?
A
Connect the phone to your network via PoE or power adapter, enter the web GUI IP address in a browser, log in with default credentials, and follow the Quick Setup wizard to configure SIP account details.
Q
Which SIP servers and platforms are compatible with the Sip Phone 3900 Series?
A
The Sip Phone 3900 Series is compatible with major SIP-based platforms including Asterisk, FreePBX, 3CX, BroadSoft, Cisco CUCM, and hosted VoIP services.
Q
How do I register the Sip Phone 3900 Series with my VoIP service provider?
A
Access the web GUI, navigate to Account → SIP Settings, enter your provider’s SIP server address, username, password, and click “Save.” The phone will register automatically.
Q
Does the Sip Phone 3900 Series support Power over Ethernet (PoE)?
A
Yes, the Sip Phone 3900 Series supports IEEE 802.3af PoE, enabling both data and power over a single Ethernet cable for simplified deployment.
Q
What audio codecs does the Sip Phone 3900 Series support?
A
The Sip Phone 3900 Series supports G.711a/µ, G.722, G.729, G.726, BV16, Opus and AMR codecs to ensure clear, bandwidth-efficient voice quality.
Q
How can I update the firmware on my Sip Phone 3900 Series?
A
Download the latest firmware from the vendor portal, access the phone’s web GUI under Maintenance → Upgrade, upload the firmware file, and reboot to complete the update.
Q
How do I perform a factory reset on the Sip Phone 3900 Series?
A
Press and hold the “OK” and “Cancel” keys simultaneously while rebooting. Release when the screen prompts, then confirm “Restore to Factory Settings.”
Q
What power options are available for the Sip Phone 3900 Series?
A
The phone supports IEEE 802.3af PoE and a 5V/2A DC adapter, giving you flexibility for environments without PoE infrastructure.
Q
How many SIP lines and call appearances does the Sip Phone 3900 Series support?
A
The Sip Phone 3900 Series supports up to 4 SIP accounts and 8 concurrent call appearances to handle multiple extensions and calls.
Q
Does the Sip Phone 3900 Series support VLAN tagging for voice traffic?
A
Yes, the device supports 802.1Q VLAN tagging and QoS settings to prioritize voice packets and ensure consistent call quality.
Q
What warranty and support options are available for the Sip Phone 3900 Series?
A
The Sip Phone 3900 Series includes a one-year hardware warranty and access to online technical support, with extended support plans available.
Q
How can I troubleshoot network connectivity issues on the Sip Phone 3900 Series?
A
Verify cable and PoE connections, check IP assignment via the Status menu, ping the gateway, and review log files under Maintenance → System Log for errors.
Q
Can I integrate the Sip Phone 3900 Series with Microsoft Teams or Zoom?
A
The Sip Phone 3900 Series supports SIP trunking for third-party VoIP services but is not natively certified for direct Microsoft Teams or Zoom integration.
Q
What display and user interface features does the Sip Phone 3900 Series offer?
A
It features a 4.3-inch backlit color LCD, intuitive menu navigation, context-sensitive soft keys, and visual call status indicators for enhanced usability.
Q
How do I enable HD audio on the Sip Phone 3900 Series?
A
In the web GUI, go to Account → Audio Settings, select G.722 or Opus as the preferred codec, click “Save,” and reboot the phone to activate HD audio.
