Gateways and Softswitches
3Com® VCX (TM) V7200 IP Telephony Call Controller
Performs signalling, call treatment, and back office functionality. The powerful, high-availability call controller offers redundancy and fail-over mechanisms that ensure carrier-class reliability. Operates with the 3Com VCX V7000 IP Telephony Solution.
Visit 3COM's SIP Showcase >>>
1telecom - VoIP GSM Gateway Series supports 8-72 SIP to GSM ports; and provides superior voice technology for connecting legacy PBX systems with IP networks; SIP to PRI and cellular network.
2N TELEKOMUNIKACE - The Traffic Control Manager (TCM) is a unique support solution for traffic termination when using GSM VoIP gateways. TCM can be connected to any SIP based gateway.
Aastra Technologies - CVX/CSG Universal Port Solutions provides SS7 & PRI to SIP gateway functionality for both Carrier and Enterprise customers.
Accel, Inc. - SIP/H.323/MGCP Gateway, IAD
Access Networks India Pvt Limited - SIP based SoftGateway/SoftSwitch/IVRs/ACD
Prosody X PCI is a highly configurable card that combines support for rich media processing resources, IP telephony and optional E1/T1 digital network access functions. Visit Aculab’s SIP Showcase for more information >>>
IP Telephony
For computer telephony developers and systems integrators who are seeking to implement conversation quality speech over IP networks, Aculab offers an IP telephony card in PCI form factor. This standards based card offers up to 60 channels with low latency, using SIP, in a single card slot. Visit Aculab’s SIP Showcase for more information >>>
GroomerII
GroomerII offers a cost-effective, single platform solution for network operators, alternative carriers, service providers, telephone equipment manufacturers (TEMs), systems integrators and enterprises who are seeking more than just a signalling and media gateway for routing between TDM and IP networks. Visit Aculab’s SIP Showcase for more information >>>
AddPac Technology - Multiport (T1/E1,E&M,etc.) SIP/H323 Dual Stack Gateways
Adtech - Gateways compliant with SIP and H.323
Allied Telesyn - AT-RG200 product family of VoIP residential gateways
AMITELO - Softswitches H.323, MGCP, SIP, ISDN with a capacity of 4 E1s to 32 E1s including Billing Solution "Bill4Tel"
Arelnet - Solution includes: Multi-protocol [SIP/H323]Softswitch and GW with SS7
ARGELA Technologies - ARGELA Convergence Gateway provides seamless roaming capabilities between wireless/fixed networks and SIP enabled networks for Voice; Video; Data; Fax; IM; SMS or MMS services using the same account.
Argent Networks Limited - ArgentEclipse Softswitch.
Arrayvox Communications - Extremely affordable SIP gateways for businesses and Internet Telephony Service Providers (ITSP).
Artdio Company Inc - IPS 1000 Series SIP Gateway FXO & FXS
AudioCodes - Media Gateways , Media Servers MGCP,MEGACO & SIP and VoP Technology
Avistar - Multi-Channel IP Gateway
Azatel Communications Inc - Low cost SOHO and residential 2-port VoIP gateway.
BCM SIP Gateways
Beijing iPower Time Information Technologies Co., Ltd - MX series VoIP gateways supports SIP, MGCP, includes 4FXS to 48 FXS ports access gateways, and 1,2,4 E1 trunk gateways.
Bitwise Communication - SIP Compliant VoIP Gateways
Blue Sky Labs - XIPlite SIP compliant VoIP gateway
BOScom Ltd - Low-density robust enterprise CPE and alternate carrier VoIP gateways
CALL IMAGE VIDEOTEL - SIP to H323 gateway running under Linux
IMG 1010 VoIP gateway
The Cantata Technology™ IMG 1010™ is an integrated media and signaling VoIP gateway that provides any-to-any voice network connectivity enabling the delivery of SIP services into legacy PRI, CAS and SS7 networks, as well as IP to IP transcoding for network peering applications. With its compact 1U high-density package, integrated SS7 termination, software licensing for in- service capacity expansion, and GUI- based element management system, the IMG 1010 is a carrier-grade VoIP gateway that enables service providers to quickly add new telephony services while providing a clear migration path to an all IP network. The IMG 1010 simultaneously supports PRI and SS7 signaling, plus SIP and H.323, all on a cost effective, future-proof platform that can grow as services evolve. More >>>
Carrius Technologies; Inc. - An innovator in carrier-grade intelligent VoIP switching and gateway solutions. Our Compleat SIP platform enables new cost-effective IP-based multimedia services.
Cedar Point Communications - SAFARI C(Cubed) (TM) Media Switching System
CET Technologies - ST2800 SIP- based Radio Over IP (RoIP)
CIRPACK - Cirpack G16S SIP Gateway
Citel - NEXT GEN SIP FEATURES ON EXISTING PBX HANDSETS. Install the Citel Handset Gateway between existing PBX handsets and new IP-PBX or hosted IP Centrex. Finally; VoIP migration on your own terms.
Clarent - NetPerformer Enterprise Gateway.
Columbia University Computer Science - SIP-H.323 Gateway
Commetrex - PowerRelay licensed media-processing technology used by telecom equipment OEMs to develop PSTN-IP gateways
Commworks - Softswitch and Media Gateway.
Converged Access - CAP is a layer-7 aware multiport Gateway which guarantees VoIP Quality; SIP; h.323 and MGCP capable; ADSL2+; T1; Cable and FR compatible; Firewall; VPN; Switch; WAP and Advanced Traffic Management
Convergent Networks Carrier-class switching equipment and software
CopperCom - CSX 1100, CSX 2100 softswitch, gateway, SIP Proxy/B2BUA, Application Server
CTL Inc. - Delivering SIP Integration Solutions for IP Telephony.
D-link Systems - DVG-1042S VOIP Router SIP1(RFC 3261) SIP2 (RFC 2543) . Two ports FXS and One WAN port and Four port 10/100 switch
Dialdirect.Net - H323 ; SIP; IAX voice services for Companies International Calling Centers and Carriers world wide. 25 years of Telco experience to solve your Voice needs
Dialogic - High-density line card.
Dilithium Networks - DTG2000 multimedia gateway supports SIP and enables conversational video services between SIP-enabled terminals on the packet network and 3G-324M terminals on 3G mobile networks.
Doretel Communications, Inc. - Cisco VoIP AS5300, AS5350, AS5400, AS54HPX, AS5850 Universal Gateways, PGW-2200 SS7/C7 PSTN SoftSwitch Solutions, SIP Proxy Server & more.
Edgewater Networks - Converged Network Appliance For The SOHO Market
Elesign Inc - 1-port gateway (Model ESC1710, RFC3261)
Emergent Network Solutions - ENTICE Version 2.0 next-generation open solutions call control platform
Encounta - SIP "Ova-IP" micro gateway with internal billing, P2P LCR, interactive bi-directional audio broadcast & storage
F5 Networks - BIG-IP intelligence on a port-dense hardware platform.
Fujitsu - SIP-H323 Protocol Gateway for users of Fujitsu's IP Pathfinder, a corporate IP-PBX (IP-based Private Branch eXchange) system.
Gallery-ipT - Carrier grade class 5 multi protocol SoftSwitch,with a proxy server built in.
Sippy Software; Inc. - The Sippy Softswitch is a carrier-grade Class 5 SIP session controller and rating/billing solution (residential&wholesale). It can act as SBC providing complete solution to the NAT traversal problem.
General Bandwidth - G6 platform is a carrier class, Voice over ATM (VoATM) and Voice over IP (VoIP) access/media gateway. Supports multiple signaling protocols such as GR-303/TR-08, TGCP/MGCP, and SIP/PRI.
HCL Technologies - SIP based Home gateway solution for ATA/WiFI routers/Call Manager product range. Provides call control and management software on top of SIP /RTP stacks.Runs on Embedded Linux OS.
Hitachi Communication Technologies (TSE: 6501) - NT-4S, a SIP (RFC3261) protocol-compatible VoIP gateway system.
Hyannisharbor Communications - Audiocode boards TP1610 480 Spans TP2810 672 spans SIP Enabled
HyperMedia Systems Ltd - VoIP GSM gateway supports up to 72 VoIP (H.323 / 'SIP') GSM ports / 288 SIMS for connecting legacy PBX systems with VoIP networks; new IP-based PBX and devices
i3 micro technology - Vood CPEs and Vood Residential Gateways
iBIT technologies; Inc. - Our centralized IP translator Forsix-1000S is a big NAT-PT box with SIP-ALG software; which translates IPv4 SIP message and payload to IPv6 SIP traffic or vice versa.
IBM Lotus Sametime 3 Instant Messaging Gateway
Intel - The Intel® NetStructure (TM) PBX-IP media gateway converts PBX messages to Internet Protocol (IP), allowing a gradual transition to IP.
The Interactive Intelligence Interaction Center Platform® - the company's technology foundation on which its IP telephony software was built - functions as the gateway for SIP phones. By using SIP-compatible IP telephony boards in the ICP server, the platform acts as a switching point for all calls, while still performing all other multimedia queuing and interaction management duties for faxes, e-mails and Web events. The ICP can also be used as a communications server in conjunction with an existing SIP gateway and SIP proxy server to manage all SIP-enabled IP phones for a given location.
Visit Interactive Intelligence's SIP Showcase >>>
InterExchange Carrier - IXC softswitch -- web-based complex solution with billing.
Intertex Data AB 
PBX functionality for the small office! The SIP Switch software upgrades your Internet Gate SIP capable firewall with PBX-like features integrating combined usage of SIP hard/soft phones and PSTN.
Intoto - Intoto's iGateway SecureICP (Integrated Communications Platform) is a comprehensive, fully-integrated software suite. It includes SIP gateway, registrar, proxy, patent pending call processor, DSP interface, ICSA-certified Firewall, VPN, wired/wireless LAN and WAN modules.
IP WARE - IP WARE offers a variety of SIP compliant adaptors from one to eight ports, FXS or FXO or a combination of both.
IPAXS - OmniAXS Gateway Switch
IPCS, Inc. - Wholesale supplier of high quality, scalable VoIP gateways and telephony products
Iphonica LLC - 1-port FXS and 2-port FXS/FXO H.323/SIP based VoIP gateways offering a variety of features.
IPVerse - ipVerse ControlSwitch
iQ NetSolutions - iQ’s LCS Gateway facilitates interoperability between Microsoft’s LCS and Cisco’s CallManager. Office Communicator users can control their Cisco phone.The Gateway supports CSTA / SIP communications.
iSoftel Limited - A Session Border Controller, with advanced route optimization engine, for Telecom Operators and Large Enterprises.
Jabber, Inc.'s flagship Jabber Extensible Communications Platform™ (Jabber XCP™) presence server utilizes the proven scalability of XMPP routing technology to interconnect all standards based messaging, communication, and presence protocols. Jabber XCP provides interoperability solutions and support for XMPP, XML, SIP/SIMPLE, IMPS, RSS, SMS, WAP, SMTP, HTTP, and SOAP. Jabber, Inc. is a proven leader in interoperable messaging and presence server technologies.
Jasomi Networks - SIP to SIP VoIP gateway
Komodo Technology (Cisco Systems) - SIP Low-density Gateways
Laurel Networks - ST200(tm) service edge router
LG Electronics, Inc. - AX-2100 VOIP gateway (Analog/Digital)
LSI Logic Corporation - Linux/SIP-based VoIP over DSL Gateway Reference Design with support for four FXS telephone ports.
Lucid Voice - IPico RG-400 voice and data gateway in Point-to-Multi-Point applications
LusoSis - FRITZ!Box 7050 – SIP Gateway with 3 FXS; 1 S0; 1 ISDN/Analog line; 2 LAN; 1 USB 1.1/2 and 1 ADSL ports; 802.11b/g; Firewall; PBX features; QoS; calls trough telephone line when VoIP is not available.
Marconi Corporation plc - Next-generation SoftSwitch platform that will enable operators to use Session Initiation Protocol (SIP) to provide advanced communication applications across the Public Switched Telephone Network (PSTN). Trials of a SIP-enabled SoftSwitch are already underway with selected customers.
MCK Communications - SetConneX PBXgateway
Mediatrix Telecom - Mediatrix gateways (using SIP; MGCP and H.323) connect conventional telephones; fax machines; legacy PBX and Key Systems to an IP network; and also provide PSTN connectivity to IP PBX and Key Systems.
Meetinghouse Data Communications - Carrier class softswitch
MERA Systems Inc. - MVTS is a carrier-grade softswitch with SBC functionality. Features native support of SIP and H.323 and their dialects; intelligent routing; security; mobile number portability; partitioning and more.
Metaswitch (A division of Data Connection) - MetaSwitch (TM) VP3000
MIP Telecom - SIP Low-density Gateways
Mirial - PSE 3G Gateway - Enables the communication between 3G (UMTS/H.324M) mobile video phones and IP (SIP//H323) endpoints.
Mpathix Inc - MX voicemail platform sllows the simultaneous application of SS7 and SIP protocols on the same server.
Multi-Tech - SIP Gateways from Multi-Tech Systems. All of Multi-Tech's Gateways support SIP. Our range includes Analogue and Digital connectivity as well and SIP survivability. Please contact us today. My SIP Switch - SIP Switch is an online call management application; enabling you to use multiple SIP providers services from one piece of hardware and to manage all your calls on the fly: hang up; transfer; forward
NET.COM - The SHOUTIP product line with an open architecture and distributed processing that enable service providers to build scalable, cost effective network infrastructures.
NetCentrex - CCS Softswitch
Neutral Tandem - We are the premier tandem and voice peering company providing wireless; wireline; cable and SIP/VoIP companies with a national fabric for exchanging voice traffic; without relying ILECs for handoffs.
NewCross Technologies - The CSS(TM) (Converged Service Solution) is a complete Multi-Class softswitch solution featuring a SIP-based media gateway controller and a line of media gateways
New Rock Technologies - Manufactures low cost IP-PBX; VoIP Gateways; and SIP IMS devices. Full line of VoIP products including IP-PBX; Trunking gateway; SIP service platform; and network element manage.
Nexge Technologies - SIP/H.323 SoftSwitches; VoIP Billing (Pre Paid and Post Paid Billing); Media Proxy; IVR; SoftPhones. Pre Paid CAlling Card Solutions; WHoleSale VoIP Solution; Broadband VoIP Solution
NextVerse - The ipVerse ControlSwitch platform.
NGC Systems Sdn Bhd - Genico™ Broadband Telephony; complete SIP telephony service; with IPCentrex; VoiceVPN; VoiceMail & Call services like VoIP; video; IM; file transfers; whiteboard & application sharing & call support.
NICs Intec Co. Ltd - NICs Intec ATA, Gateways, IP phone are perfect solution for residential, SOHO & enterprise user.
Nuera - The SGX-100 is a carrier-ready small SIP media gateway that distinguishes itself with low price and redundancy.
NexTone - Multiprotocol Signaling Switch
Communication Server 2000 - Compact
The Nortel Networks Communication Server 2000 - Compact is a scalable, reduced-footprint, Superclass softswitch built on the commercially-available Compact PCI platform. Delivering a comprehensive set of Class 4 & 5 features, this carrier-grade softswitch is applicable for new network builds and packet evolution. Based on open hardware and software and supporting industry-standard protocols, it is ideal for Service Providers and Cable Multiple Systems Operators. More >>>
Alteon Application Switches
Nortel Networks Alteon Application Switches enable application optimization, delivery, and high availability through the use of sophisticated application/device load balancing, intelligent traffic management, application redirection, application-layer security, security acceleration, and bandwidth management. For example, in a VoIP (SIP) call server optimization scenario, Alteon Application Switches can dynamically distribute load among multiple SIP Proxy servers using SIP Call ID information. This solution enables resilient VoIP services by ensuring call processing resources are 'always up', capacity additions can be made without downtime, and call traffic is distributed across all call servers to optimize performance and utilization. More >>>
Visit Nortel Networks' SIP Showcase >>>
Oki - BV7000 and BV7050 Multi-Channel Internet Voice Gateways
Oresis Communications - Switches, softswitches and gateways
Pannaway Technologies; Inc. - Pannaway’s Broadband Access Switch (BAS™) is a SIP-based; ADSL2+ aggregator; digital loop carrier and internetworking switch that manages the traffic of up to 48 phone subscribers via the PSTN.
Paraxip Technologies - Software-based SIP Gateway. FXO/PRI/T1/E1 interface using off-the-shelf hardware. Build your own open VoIP Gateway!
Patton - Smartnode family provides 2-16 ports of FXS/FXO to SIP and H.323. Includes full router w/VPN, NAPT & call routing intelligence
PCPhoneline.com - VoIP Residential Gateway, VoIP Portable Phone, FXS to FXO Port Converter Starting at $39
Permeo Technologies Inc. - Application Security Gateway. Version 5.1 include full support for PKI-based authentication, managed server provider-class (MSP) management, and updated Session Initiated Protocol (SIP) traversal, which allows remote access to dynamic applications.
Phoenix Telecom Systems - SIP: Softswitch OPENSER based with web interface to manage accounts and billing; great and reliable; nices prices and support.
Phoenix-Soft - CMS/Soft Switch
ProfInfoTech - Billion Softswitch. Call routing with or without media proxy; SIP/H323 conversion; administrative web-interface; interaction with billing; clustering.
ProQuent Systems - Mobile Services Switching Point
Puredata - SIP Based IP Telephony Gateway
QuesCom - The all-in-one GSM gateway for SIP based VoIP networks
Quintum has expanded on the limited capabilities of standard VoIP gateways by introducing the concept of an intelligent VoIP Switch with the Tenor® product line. The Tenor® product line offers solutions from a 2 port SOHO device up through a slotted system that supports up to 32 T1/E1/PRI trunks. Tenor® products provide much more than just simple gateway functionality, they provide all the elements required to deploy a VoIP switching network. Quintum also markets the Tenor® Call Relay Session Boarder Controllers, Tenor® Gatekeeper and Tenor® Call Routing Server. Visit Quintum Technologies' SIP Showcase >>>
QTelNet - FreeRide Telephones and Gateways RealEast Networks - RSF1000 Softswitch
Rivotek - Instant Application Server, Rivotek Gateway Server
Roby Tech.Co.; Ltd. - SIP Gateway GW-08: 1 FXS; 1 FXO; 1 WAN ; 1 LAN
Specification: Router built-in; SIP v1 (RFC2543); v2(RFC3261); Support Route; Two 10/100Mbps MACs; Support T.38(Doing) ; IP/TCP/UDP/RTP/RTCP; etc.
SanteraOne - Media Gateway
Seenode - SIP CCall System for 3GPP and 3GPP2 to Enterprise and Carrier (P,I,S-CSCS,MGCF,MGW SGW), MSN to PSTN Gateway. sentit0 - The New End Office solution consisting of the NEO Services Switch (NSS), NEO SIP/SS7 Proxy (NSP), and NEO Services Manager (NSM). Sercomm - 802.11g broadband VoIP SIP router with 2 FXS port
Serome Technology- The Serome (TM) SIPB-150 (TM)
Servonic - IXI-ITS Gateway - ISDN Gateway for SoftPBX.
HiPath (TM) 5000 enterprise softswitch
Siemens has adopted a modular approach designed to allow companies to build resilient distributed enterprise communications networks that are centrally administered. When combined with the new HiPath 5000 Real Time Services Manager (RSM), the HiPath 3000 platform can now be used as a survivable media gateway (SMG) node in a HiPath 5000 enterprise softswitch system. HiPath 5000 softswitches now support the full array of PBX feature`s offered on Siemens traditional PBX platforms, interoperate with such platforms, and share applications such as multimedia contact centers and unified messaging across 64 nodes and up to 2000 users. By supporting up to 2000 users, Siemens expects to address 90 percent of today's enterprise communications market. Visit Siemens' SIP Showcase >>>
Shenzhen Gateway Technology LTD. - We specialize in producing VOIP products.support many protocol; such as H323&SIP&MGCP and so on. VOIP Gateway 1FXS&2FXS&4FXS&4FXO. Kitty IP Phone. we also can do OEM products for you.
SIP CPE Sources Inc - FX-200 VOIP PORT Converter FXS to FXO works with Cisco, Sipura, Grandstream, Packet 8, etc.
Sippy Software; Inc. - The Sippy Softswitch is a carrier-grade Class 5 SIP session controller and rating/billing solution (residential&wholesale). It can act as SBC providing complete solution to the NAT traversal problem.
Sipway GmbH - Gateways for ISDN PBX Systems based on SIP Protocol. Starting with 1 BRI up to T1 as integrated device withe least-cost functionality
Sonus Networks - INtelligentIP INIP switch
Sphere Communications Inc. - Award-winning Sphericall enterprise softswitch scales to 30; 000 ports. High quality VoIP; presence; unified messaging; IM; conferencing; video; softphone; SIP and more. Standards-based open system.
SS8 - SS8 SignalingSwitch; SS8 ServiceController
swisstel - From FIXNET to SIP see swisstel.ch List Europa
Sunshine Mind Inc - Low cost VoIP gateways ( from one FXO/FXS port to multiple T1 configurations); Trunking gateways; and SIP phones
Swyx Solutions - SwyxWare; leading software-based IP telephoney solution with SIP; integrates all your business telephony; Internet; email & fax services into one package and offers extra features
Sylantro - Softswitch with SIP application
Syndeo - Broadband Services System
Sysmaster Corporation - GW7000 Industry's only IVR over IP enabled gateway supports SIP.
Tangerine Inc - Tangerine Connect softswitch
Taqua - OCX (TM) Taqua Open Compact Exchange
Tekelec - The SIP-SS7 Gateway gives operators migrating to voice over packet (VoIP) networks access to legacy services in circuit-switched networks
Telco Systems - Access211 SIP Based VoIP gateway features integrated routing, traffic shaping to prioritize voice traffic, and several industry communication.
Telecomchinasourcing - sip/h.323 E1 gateway pri; 1-16E1. sip/mgcp/h.323 analog voip adapter; 4; 8; 16 port. ANI call back ; prepaid billing; calling card; wholesale or callshop billing. all from China
Telcordia - Class 5 softswitch
Telesis A.S. - Stillink 200 ; Stillink 800 combined digital VoIP gateway and signaling converter systems. SIP; H.323; SS7; DSS1; QSIG; R1; R2; V5.2; and CAS protocols supported.
TeleSoft International Inc. - TsGATE is an integrated software SIP to PSTN Gateway design kit that translates the packetized messages on IP networks to the TDM messages used on the digital PSTN networks. Available in source code.
TeleWare Plc - intelligent eXchange is an open standards SIP-based; IP switch; highly scalable and embedded into the TeleWare application platform; forming a common Application Service Provision environment.
TELES Communication Systems - The TELES.iGATE allows easy SIP-based VoIP connection to GSM; 3G; & CDMA. With the TELES.VoIPGATE you’re able to provide LCR for SIP calls for PRI; BRI & analog.
Telica - Plexus 9000
Teligent - Teligent offer carrier grade SoftSwitches and Gateways with extensive feature and protocol support
Thinkengine’s flagship product, the VSR1000, combines the features of a Media Gateway, Media Server, Conferencing Engine, Call Routing Engine, and Voice Recognition Server into a cost effective, NEBS compliant 1U platform. The VSR1000 simultaneously terminates traffic from both PSTN and VoIP networks "out of the box".
Visit Thinkengine Networks' SIP Showcase >>>
Tiger NetCom - Numerous 2 Port Gateways; FXO function. Supports SIP protocol
TinyCall International - Offers SIP Services . Hosted VoIP Solutions. SMS ; Call Center ; Calling Cards; Virtual Office; WebPhone; Teleceonferencing; ISP Setups ; and Consultancy Services
Topex - Topex VoiBridge is a VoIP (SIP) to GSM/UMTS small capacity gateway. Its main functionality is to interconnect VoIP networks with mobile networks.
USTsarcom - mSWITCH IP based softswitch platform
Ulticom Signalware® provides an integrated signaling platform to enable the development of carrier-grade softswitches, media gateway controllers, and SIP to TCAP gateways using SIP, SIGTRAN, SS7, and Diameter signaling protocols. Visit Ulticom’s SIP Showcase >>>
VegaStream - VegaStream's VoIP Gateways are targeted at Service Providers & enterprises of all sizes; from home users; SME & small branch offices to large corporate campus offices. All support H.323 & SIP protocols.
Verso Technologies - integrated switching solutions
VIERLING Communications - The SIP-based Gateway ECOTEL VoIP provides direct connections between IP; ISDN and GSM. Thus it allows users to reduce phone costs through least cost routing by up to 70% (using up to 8 GSM channels).
VocalData - VOISS feature-rich service delivery softswitch
Vocaltec - 'Essentra' SIP-based Softswitch Architecture & VoIP gateways
Vodofon Voip Product Mrk Co - SIP Vodofon Ata-1000 Voip Gateway with 1 port FXS
VODTEL Communications Inc. - VODTEL 3700 series SIP-based VOIP Gateway.
VoiceGenie Technologies Inc - VoiceXML Gateway
VoIP Solutions Inc. - The MTA-V102 is a broadband SIP gateway with an embedded router; configuration file encryption; secure HTTPs; and cascaded provisioning server options for VoIP resellers
Voxtream - Easy Migration from Euro ISDN to VOIP/SIP. Advanced routing features.
VPacket - 6100 Series Voice/Data Routers
Welltecch Computer Company Ldt. - 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; integrated with built-in PSTN and VOIP IVR
World Telecom Labs - World Telecom delivers a next-generation telco solution in one box – Rating; Routing; Full IVR; Billing; Pre & Post-Paid for SIP H323; SS7 & ISDN.
Zhone - MALC IP Access Gateway (IP-AG) Provides Migration Flexibility From Circuit to Packet With Full Support for SIP and MGCP Signaling
Zultys Technologies - MX25 modular SIP to PSTN gateway with 3 PSTN slots. Up to 24 analog FXS or FXO ports, 12 BRI S/T or 1 T1/E1.