Newsletter   Vol.4

 September 29, 2004

A Universal VoIP Gateway WellGate 5250 -- more than PSTN to VoIP!

WellGate 5250 is not only a VOIP trunk gateway but also 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. By providing both route and unroute VOIP to VOIP calls, Wellgate 5250 can be used to implement SIP and H.323, SIP and SIP, H.323 and H.323 calls easily. It increases more revenues and protects your investment.

Wellgate 5250 supports PSTN and VoIP (H.323/SIP) side prepaid and postpaid service. It provides a built-in practical internal AAA service for small deployment and also an external RADIUS interface for large deployment. By integrated with built-in PSTN and VOIP IVR (Interactive Voice Response), service provider can implement their service easily without limitation. A web-based voice prompt management GUI is also provides to simplify the deployment of IVR related service.

Key Features

  • Navigate call freely in SIP, H.323 and PSTN

  • SIP RFC 3261 compliance

  • ITU-T H.323 v3 and H.450 compliance

  • Up to 4 E1/T1 programmable trunks

  • PSTN signaling: ISDN/PRI, CAS

  • Mixed SIP, Gatekeeper and P2P Calls

  • Support H.323 Gatekeeper register, direct and route calls

  • Support SIP redundant registrar and outbound proxy server

  • Support SIP to H.323, H.323 to SIP, H.323 to H.323 and SIP to SIP calls.

  • Built-in phone book and prefix routing for SIP and H.323 P2P calls

  • Support H.323 and SIP early media

  • Built-in internal AAA service for prepaid & postpaid users

  • Support RADIUS authentication, authorization and accounting message

  • Intelligent PSTN call routing and in-trunk hunting

  • Flexible digit manipulation plan and calling/called number replacement

  • Behind NAT friendly for SIP calls

  • In-band 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

  • Web-based graphic announcement edit and management

  • Multiple configuration saving

Please contact Welltech sales for the Detailed Specifications and Features.

TEL : +886-2-82265699
FAX : +886-2-82265799
 http://www.welltech.com