WellTech WellGate 2540I – VoIP Gateway 4 FXO Port

WellTech WellGate 2540I – VoIP Gateway 4 FXO Port


WellGate 2540  4-Line FXO gateway with SIP protocol IP device.


The WellGate 2540 is a 4-Line FXO gateway that is 3CX certified, which allows you to connect 4 Lines of analog PSTN telephone line or connect to analog extension of PABX to make or receive VoIP call over Internet or VPN network. This device is suitable for office IP-PBX application at office to office or office to branch office to call between PSTN Line and IP Call.The WellGate 2540 is appropriate to use four VoIP SIP Trunk or IP Centrex service or IP-PBX within offices and remote branch offices.  One of four SIP Servers (or ITSP Service provider or alternative IP-PBX) can be configured freely at each line (FXO port) to make or receive IP Call.  It provides 4 service platforms according to your dial number or routes plan.

Key Features

·  Interface:

  • Ethernet port (RJ-45, 10/100 base-T)
    • 1-WAN port, connect to IP Network
    • 1-LAN port connect to PC with NAT
  • Support Bridge, NAT and Gateway mode
  • Telephony port connect to local PSTN line (RJ-11 x 4 pcs)
  • DC +12V power input Jack
  • Reset key to return Factory setting
  • LED Indicator for System, SIP and FXO status

·  IP Network connection

  • IPv4 (RFC 791) and IPv6 Simultaneously
  • IPv6 Auto Configuration (RFC 4862)
  • IPv6 Only, IPv4 Only or dual stack
  • MAC Address (IEEE 802.3)
  • MAC Clone Setting
  • Vendor Class ID
  • Static IP
  • DHCP Client (RFC 2131), WAN port
  • DHCP Server, LAN port
  • NAT Server (RFC 1631)
  • PPPoE Client
  • DDNS ( DynDNS )
  • DNS Client
  • Firewall
  • URL Filter
  • IP Filter
  • MAC Address Filter
  • Application program Filter
  • Port Filter
  • Port Forwarding (TCP, UDP or both)
  • Bandwidth Control (Download and Upload), Maximum Bandwidth priority
  • UPnP Server at LAN port
  • Behind NAT, use DMZ for NAT traversal
  • SNTP with time zone and Daylight Saving
  • TCP/UDP (RFC 793/768)
  • RTP/RTCP (RFC 1889/1890)
  • IPV4 ICMP (RFC 792),
  • TFTP Client
  • VoIP VLAN Support 802.1Q, 802.1P
  • VLAN ID Range : 2 to 4094
  • VLAN Priority : 0 to 7 (Highest Priority)
  • QoS : DiffServ (RFC 2475), TOS (RFC791, 1394)

·  SIP Protocol :

  • RFC3261 compliance
  • Support up-to 4 SIP Trunk to Register
  • SIP UDP Protocol
  • Support SIP compact Form
  • Support SIP HOLD Type: Send Only, or inactive
  • SIP Session Timer (RFC 4028)
  • SIP Session Refresher: UAC or UAS
  • SIP Encryption
  • MD5 Digest Authentication (RFC2069/RFC2617)
  • Reliability of provision response PRACK (RFC3262)
  • Early/Delay Media support
  • Offer/Answer (RFC3264)
  • Message Waiting Indication (RFC3842)
  • Event Notification (RFC3265)
  • REFER (RFC3515)
  • Support Outbound Proxy
  • Support Primary and Backup SIP Server
  • Support STUN NAT Traversal
  • Support “rport” parameter (RFC 3581)
  • Configure SIP local Port
  • SIP QoS Type: DiffServe or QoS
  • Accept Proxy Only : YES or NO

·  Audio Codec :

  • G.711 A-law/μ-law, G.729A, G.723.1 (6.3K, 5.3K)
  • Select voice codec priority : Local or Remote
  • Voice Payload size (ms) configuration
  • Silence Suppression
  • LEC : Line Echo Canceller
  • Max Echo Tail Length (G.168): 32, 64 and 128ms
  • Packet Loss Compensation
  • Automatic Gain Control
  • In-band/out of band DTMF (RFC4733, RFC2833 / SIP INFO)
  • Adaptive/Configurable Jitter Buffer
  • G.168 Acoustic Echo Cancellation
  • Configure RTP basic Port
  • RTP QoS Type : DiffServ or TOS
  • Phone Book ( 50 records ) for peer to peer calls
  • Dialing Plan with drop, replace, Insert dialing digits
  • Select First digit and Inter digit timeout duration (Sec)
  • Selectable Call Progress Tone
  • Support Specified Line Calling

·  Call Features :

  • 4-Line FXO connect to PSTN or PBX simultaneously
  • Caller ID recognition DTMF (before/after 1st ring) and FSK (before 1st ring ),
    ETSI and Bellcore
  • DTMF Caller ID start and stop BIT configurable
  • Current Drop Detection to release FXO port
  • Disconnect tone recognition to release FXO port
  • Tone Generation: Ring Back, Dial, Busy, call waiting, ROH, Warning, Holding,
    Stutter dial tone and disconnect tone
  • Configure Tone Frequency, Cadence, Level and Cycle
  • Select Tone specification by Country name List
  • Global Country Based Tone Specification
  • NAT Traversal support STUN, UPNP and Behind NAT
  • Out-Band DTMF : RFC2833 and SIP Info
  • RFC2833 Payload type : 101 or 96
  • DTMF send out ON and OFF Time configure
  • DTMF incoming recognition Minimum ON and OFF time
  • DTMF Relay Volume configuration
  • T.38 FAX Volume configuration
  • Flash Time transmit via SIP Info (Enable or Disable)
  • Message Waiting Indication (Stutter Tone Notice)
  • Block Anonymous Call
  • Call Hold
  • Call Transfer

·  FXO Line Configuration:

  • Activate or deactivate
  • Line ID
  • FXO Line Phone number
  • Polarity Reversal detection for call establish and Billing
  • Current drop recognition to release port
  • Incoming call Handle: Hotline or 2 stage dialing
  • HOT Line to desired phone number
  • Play voice file to incoming call
  • Repeat playing voice file counts
  • Self-recorded voice files to upload
  • Generate FLASH TIME to PSTN network
  • T.38 or FAX Relay Type
  • Incoming and outgoing dB value configurable
  • Dialing Answer Delay time to establish call path
  • Answer PSTN incoming call after how many ring cycles
  • Caller ID detection mode by Country selection
  • VoIP dial to FXO/PSTN Line: 1 stage dialing and 2 stage dialing
  • Outgoing SIP Caller ID Selection
  • Support 4 SIP Trunk
  • Accept desired SIP Proxy incoming calls Only


  • Manufacturer warranty

Shipping Details

  • We ship all items via UPS or FedEX to the continental United States.Expedited shipping is also available for an extra shipping fee – please contact us directly.
  • Shipping to Alaska, Hawaii and Puerto Rico purchases will be subject to an additional surcharge.Please contact us directly if you would like to make special shipping arrangements.
  • We do not ship to any PO boxes.
  • We will only ship to confirmedPaypal shipping addresses.





WellGate 2540