WellGate 5250 T1/E1 Trunking Gateway
SS7 Available !



WellGate 5250 is not only a VOIP trunk gateway but a UNIVERSAL VOIP GATEWAY. It navigates the calls in between H.323, SIP and PSTN freely, not simple PSTN to VOIP calls or vice verse. It can also easily implement SIP and H.323, SIP and SIP, H.323 and H.323 calls at the same time. Built-in PSTN/VOIP IVR helps service provider to have their own voice service very quick.

Wellgate 5250 provides an easy to use web-based managing interface. Administrator can use the drag and drop call-flow editor to design their VOIP service very quickly and without losing any flexibilities. A web-based voice prompt management GUI is also provides to simplify the deployment of IVR related service.


Online Demo

Key Features

  • Navigate call freely in SIP, H.323 and PSTN
  • Support SIP RFC 3261 and ITU-T H.323 simultaneously
  • Up to 4 E1/T1 programmable trunks
  • PSTN signaling: ISDN/PRI, CAS, SS7
  • Support Audio Codec G.711, G.723.1, G.729A, GSM
  • H.323 to SIP call
  • SIP to H.323 call
  • SIP to SIP call
  • H.323 to H.323 call
  • Mixed SIP Proxy, Gatekeeper and P2P calls
  • Built-in phone book and prefix routing
  • Support H.323 and SIP early media
  • Support RADIUS authentication, authorization and accounting message
  • Support SIP redundant registrar and outbound proxy server
  • Intelligent PSTN call routing and in-trunk hunting
  • Flexible digit manipulation plan
  • Calling/called number replacement
  • Behind NAT friendly for SIP calls
  • Inband and out of band DTMF transmission
  • SIP/H.323 T.38 fax relay up to 14400 bps
  • Dynamic call treatment based on drag and drop call flow editor
  • Built-in PSTN and VOIP IVR
  • Provides Call Detail Record in flat file format
  • Full Web Management Interface.

Application Diagram

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