Modems

TM-IP5600 3.0 is a 56k DataFax soft Modem which is support to ITU T V.92. It adopted the technology of Motorola Modem and we optimize it based on the condition of China. This Modem can be used in the following Operating System Windows98 Windows ME Windows NT Windows 2000 Windows XP and Linux. And you can operate this Modem by using Hyper Terminal. This Modem can prevent surge-damaged and it have get the authentication of China Compulsory Certification 3C FCC and CE you can use it safely and stably.

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External USB fax modem is for notebook and desk top PC use. External USB fax modem provides quick connect and modem-on-hold features. The portable USB fax modem offers broad operating system compatibility. The portable USB fax modem offers broad operating system compatibility. You will love it.

The Lenovo USB Modem offers easy access to the Internet using dial up service. Simply plug the modem into the USB port and connect the phone line to the other end.Attaches via USB Easy to use Technical Specifications: - Speed: Data up to 56kbps, fax at 14.4kbps - Supports caller ID, wake on ring, telephone answering (V.253), modem on hold - V.92 software support

Digium's TE220 PCI Express card provides termination of up to 60 channels of voice or data across two E1 / T1 interfaces in a PCIe x1 form factor. Selectable on a per-port or per-card basis, the TE220 allows E1 and T1 circuits to be mixed with full channel synchronization. Supporting PCIe x1, the TE220 may be used in any available PCIe 1.0 compliant slot - 1x, x4, x8, and x16 without considerations for voltage selection or lane size. FeaturesDigium has designed the TE220 to be fully compatible and integrated with Asterisk Business Edition, AsteriskNOW, and open source Asterisk. The TE220 supports industry standard telephony protocols including North American and European Primary Rate signalling as well as standard Robbed Bit, Channel Associated Signalling in addition to standard PPP,... Less

Media Gateway with 2x PRI, 4x NextG/3G Channels and VoIP (SIP&H323)All-in-o ne Gateway between VoIP, ISDN and GSM networks. The Gateway's main function is to bridge between VoIP networks, BRI ISDN networks and mobile networks. With Topex VoxiPlus you start saving from day one after installation by reducing the cost of communications. Topex's VoxiPlus Media Gateway range comprises ten models, and is the most comprehensive suite of products providing solutions for interconnecting VoIP, PSTN over ISDN and GSM or NextG/3G mobile networks. The range covers fixed port/channel models (quad BRI ISDN, dual E1/PRI ISDN with 4 channel GSM or NextG/3G options) and modular, scalable models mounted in a 19-inch rackmount case (dual E1/PRI ISDN with 4 to 12 GSM or NextG/3G channels).   Prod uct... Less

433 Star-Modem MHz radio modem (Gryphon, Dragon, F725/F734/RF & Stargate), 433 MHz radio modem, use with Gryphon, Dragon, F725/F734/RF & StarGate (Star-Modem)

VoiBridge VOIP (SIP & H323) to 4 Channel GSM GatewayThe Topex VoiBridge-4GSM is a VoIP to GSM Cellular Gateway. Its main functionality is to interconnect VoIP networks with GSM mobile networks. The device supports 4 GSM channels. With Topex VoiBridge you make significant savings on calls from IP to GSM networks and vice versa. The VoiBridge family of VoIP Cellular Gateways comprises four models, offering two or four channels for accessing either GMS or UMTS 3G/NextG mobile networks All VoiBridge VoIP Cellular Gateways can be optionally upgraded to add PBX functionality by purchasing an optional VoisTel PBX license. By applying VoisTel, your VoiBridge device will be extended to an integrated IP-PBX plus VoIP to Cellular system capable of supporting up to 120 telephone extensions. VoisTel... Less

Audiocodes Mediant 600 VoIP Gateway, 1 E1/T1, SIP package including 1 E1/T1 span, dual 10/100BaseT Ethernet, and single AC power supply. Control protocol: SIP, including G.711/723. 1/726/727/729AB Vocoders.

Mediant 1000 VoIP Gateway, 2 E1/T1, dual power supply SIP package including single module of 2 spans E1/T1, dual 10/100BaseT Ethernet, and dual AC power supply. Supports mixed configurations of Analog and Digital voice modules. Control protocol: SIP. Dual AC Power Supply. Including G.711/723. 1/726/727/729AB Vocoders

The Topex VoiBridge-3G-4 is a VoIP to UMTS Cellular Gateway. Its main functionality is to interconnect VoIP networks with 3G or NextG mobile networks. The device supports 4 UMTS channels. With Topex VoiBridge you make significant savings on calls from IP to 3G/NextG networks and vice versa.Click here for more information.