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	Up to 16 Port GSM Interface
	4 Module Slots for 4 Channel GSM Module, VolP Modules
	Support various combination GSM and VolP (FXS, FXO, etc)
	2 10/100Mbps Fast Ethernet
	Analog Phone to GSM Service
	IP Phone to GSM Service
	VolP Codec G.711, G.729, G.723, etc

AddPac CDMA Gateways are new cutting edge Analog or IP to CDMA gateways supporting multi-ports of CDMA Voice interface. CDMA, GSM and analog/digital interface of AddPac CDMA gateways provide an optimized call scenario when it interoperates with legacy PBX. Compact cost effective design and system architecture of AddPac CDMA gateway solution provides customer satisfaction in high quality, performance and system reliance. This product uses the state-of-art technology voice compressed algorithm and unique QoS algorithm of AddPac to maintain the maximum voice quality under fast internet line and slow internet line as well.

GSM and VoIP Gateway Service Both Support
AddPac AP-GS2500 is a device that can support both GSM gateway service (FXS?GSM or Internet?GSM) and VoIP gateway service (FXS?Internet) simultaneously. It also supports SIP, H.323 Multiple VoIP signaling protocol, various voice codec support(G.711, G.726, G.729, G723.1), Four(4) module slots for GSM and VoIP module, two(2) fast ethernet ports, 1-port RS232C console, and state-of-art technologies and services.

Supports maximum 16 ports of GSM interface
VoiceFinder AP-GS2500 is a mid-range GSM gateway providing total 16 GSM interface ports or 12 GSM interface ports + 8 FXS interface ports. It is suitable for general enterprises, small and public offices. It has functions as a media gateway which interoperates with IP-PBX and it enables to replace small and mid-size analog PBX. Especially AP-GS2500 provides an optimal solution of VoIP and GSM communications in telephony environments that using telephone lines and PBX to get connect with a head office.

Powerful networking protocols
VoiceFinder AddPac CDMA Gateway supports two(1) 10/100 Base-T fast Ethernet Interface ports and provides stabilized leased line environment, ADSL environment, cable modem environment, fixed IP Address, supports all flow IP environment so that it can be selected in accordance with user environments.

Adapt to the Future Environment : Firmware Upgradeable Technology
Designed on programmable high performance RISC Integrated DSP Technology, AddPac CDMA gateway products are capable of adopting new capabilities and improvement by downloading firmware from website or with its auto-upgrade option as the customers' needs grow. Moreover, operators can download the latest protocol or service improvements as well as update firmware by checking the version and activating the auto-upgrade via AP-NMS (Network Management System) or AP-VPMS(VoIP Plug &Play Management System) system of AddPac Technologies.