Overview

VoiceFinder AP-GS2500 is a new cutting edge Analog or IP to GSM gateway supporting maximum 16 ports of GSM Voice interface. GSM and analog interface of AP-GS2500 provide an optimized call scenario when it interoperates with conventional PBX. Compact cost effective design and system architecture of AP-GS2500 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

GSM gateway combining IP-PBX is now suggesting a new model for a main voice communication solution. In order to be a part of advanced VoIP communications naturally in the future, making an excellent choice of choosing GSM gateway is essential. 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 AP-GS2500 GSM VoIP 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, AP-GS2500 is 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.

Privacy function and Security function

AP-GS2500 not only supports network access control but it also provides solid service level security. By CID (Caller ID Detection), you can identify the phone number of callers before answering and simply block it.

AddPac IP Telephony Total Solution

AddPac technology is not just a vendor of GSM Gateway Box for the customer satisfaction, but it provides various products for appropriate network environment for VoIP, Media Gateway, audio/video terminals, audio/video MCU, IP audio/video broadcast, VoD solutions, network DVR solution, audio/video recording solutions, and traffic controller QoS device solutions. In the future, All IP based multimedia telephony environment, various audio/video resources should be shared on an IP Network; thus, the integration of solutions for each area and entire solutions are considered as top priority. AddPac IP telephony solution is designed to consider the integrated multimedia solution so that it can satisfy the various needs of customer.

AddPac’s various GSM, VoIP Gateway series and multimedia network devices have been fully recognized in terms of its performances and stability throughout the world. AP-GS2500, with our accumulated experiences and know-how in the enterprise and service provider markets, will provide full satisfactions for customers who ask for a next-generation GSM-Gateway.

Overview

Overall Features
	High-performance VoIP Modular Architecture
	Four(4) Voice Interface Slots ① AP-N1-GSM4 4-channel GSM interface (Antenna, SIM Card, Internal 4 Channel Antenna Combiner)) ② AP-N1-FXS8 8-Port FXS Voice Processing Module (8 x RJ11) ③ AP-N1-FXO8 8-Port FXO Voice Processing Module (8 x RJ11) ④ AP-N1-FXO4S4 4-Port FXO & 4-Port FXS Voice Processing Module(8 x RJ11) ⑤ AP-N1-E1 1-Port Digital E1/T1 Voice Processing Module (1xRJ45)
	Supports maximum 16- port GSM interface
	Flash Memory: 4MB, SDRAM 64MB
	GSM voice interface module : 4-Port GSM Module
	Analog voice interface module: 8-Port FXS VoIP Module, 8-Port FXO VoIP Module, 4-Port FXS 4-Port FXO VoIP Module
	Two(2) port 10/100Mbps fast Ethernet interface
	SIP, H.323, MGCP concurrent triple stack
	Support Voice Processing Features
	- VAD, DTMF,CNG,G.168, and T.38 G3 Fax Relay - G.723.1,G.729A,G.711 Voice Compressions
	High-performance IP-Routing Capability with Reliability
	Static and IEEE 802.1Q VLAN Routing Protocols including VRRP
	Traffic Queuing, and SNMP MIB v2 for Network Management Features
	Standard & Extended Access List for Security Functions
	Essential Scalability Features such as DHCP Server & Relay, NAT/PAT, IEEE Transparent Bridging, IP Accounting, and Debugging/Diagnostics, etc.
	- DNSProxy Support - UPnP Support - MAC Address Filter Service

Network Diagram

Hardware Speciification Microprocessor High-End RISC Microprocessor Memory Flash Memory 512Mbyte SDRAM Memory 128Mbyte High-Speed SDRAM Network Interface LAN Port Two(2) 10/100Mbps Ethernet Interface (2xRJ45) GSM Port Four(4) Channel Module One(1) Antenna Interface(Internal 4 channel Antenna combiner) Four(4) SIM Card Interface Voice Module Slots Four(4) Module Slots AP-N1-GSM4 Module AP-N1-FXS8 Module AP-N1-FXO8 Module AP-N1-FXS4O4 Module AP-N1-E1 Module Power & Operation Environments Power Requirement Power Supply / 110~220VAC, 50/60Hz, 5V 20A Power ON/OFF Switch Operating Temperature 0°C ~ 50°C (32° ~ 122°F) Storage Temperature -40°C ~ +85°C (-40° ~ +185°F) Relative Humidity 5% ~ 95% (Non-condensing) Dimension H x W x D (mm) 56mm x 440mm x 313mm - 19" Rack Mountable Chassis Weight (Kg) 5 Kg

Support Protocol and Service

IP Routing Protocols	Static and IEEE 802.1Q VLAN Routing
WAN Protocols	Point-to-Point over Ethernet Protocol for ADSL Networking (PPPoE)
GSM Service	GSM two-stage dialing
	GSM Module Management : PIN, IMSI, Power, (No)Shutdown Setting, Up/Down Speed Display, Current Power Level Display
	GSM Inbound call black list & white list
	VoIP Inbound call black list & white list
	LCR(Least Cost Routing)-GSM Traffic Metering
	LCR(Least Cost Routing)-Scheduling
	LCR(Least Cost Routing)-Simulator
	GSM Messaging Service
	GSM SNMP : GSM Standard MIB
	Call Back Service at GSM Port Busy
Voice over IP Services	ITU-T H.323 v3 VoIP Protocol with ITU-T H.235 Security Feature
	SIP protocol support compliant with IETF RFC3261(or RFC2543)
	Supports Triple stack of H.323, SIP and MGCP
	G.723.1, G.729.A, G.711 Voice Compressions
	Voice Processing Features Supports - VAD, DTMF, CNG, G.168, and T.38 G3 FAX Relay
	ITU-T H.323 Gateway, Gatekeeper Support
	Enhanced QoS Management Features for Voice Traffics
Network Managements	Standard SNMP Agent (MIB v2) Support
	Remote Management using Console, Rlogin, Telnet
	Web based Managements using HTTP Server Interface
	Traffic Queuing
Security Functions	Standard & Extended IP Access List
	Enable/Disable for Specific Protocols
	Multi-Level User Account Management
	Auto-disconnect for Telnet/Console Sessions
	PPP User Authentication Supports - Password Authentication Protocol (PAP) - Challenge Handshake Authentication Protocol (CHAP)
Operation & Managements	System Performance Analysis for Process, CPU, Connection I/F
	Configuration Backup & Restore for APOS Managements
	Debugging, System Auditing, and Diagnostics Support
	System Booting and Auto-rebooting with Watchdog Feature
	System Managements with Data Logging
	IP Traffic Statistics with Accounting
Other Scalability Features	DHCP Server & Relay Functions
	Network Address Translation (NAT) Function
	Port Address Translation (PAT) Function
	Transparent Bridging (IEEE Standard) Function - Spanning Tree Bridging Protocol Support - Remote Bridging Support - Concurrent Routing and Bridging Support
	Cisco Style Command Line Interface (CLI)
	Network Time Protocol (NTP) Support
	Remote Upgrade for APOS Management using FTP/TFTP