VIP-281GS

H.323 / SIP VoIP GSM Gateway

 
 
The PLANET VIP-281GS VoIP GSM Gateway is a signal-GSM channel gateway that supports SIP and H.323 VoIP protocol at the same time. The VIP-281GS provides a total solution for integrating voice-data network and the Global System for Mobile Communications (GSM). 

The VIP-281GS is equipped with both FXS and PSTN interfaces, which gives the gateway a wide range of potential applications. The VIP-281GS can be installed on a PBX trunk line to enrich its trunks-GSM and VoIP routes. The PBX is able to have voice communication to either VoIP or GSM environment by the least costs. 
Meanwhile, the VIP-281GS is designed for comfort, ease-of-use with a sophisticated and satisfaction to customers. The VIP-281GS not only inherits traditions of quality voice communications and network data over IP networks but the VIP-281GS also eliminates the human resource of VoIP network deployment. With optimized H.323 / SIP architecture, the VIP-281SG is the ideal choices for P2P voice chat and ITSP cost-saving solution, but also provides network-converting feature to translate the packet network into traditional PBX system. 
With built-in PPPoE / DHCP / DDNS clients, up to 2 concurrent connections in VIP-281GS, voice communications can be established from anywhere around the world. The VIP-281GS comes with intuitive user-friendly and powerful management interface (web / telnet), that can dramatically reduce IT personnel resource and complete GSM / VoIP deployment in a short time. Plus remote management capability, administrators can monitor machine / network status or proceed maintenance / trouble-shooting service via Internet browser or telnet session. Besides, it provides voice channels status display and optimized packet voice streaming over managed and public (Internet) IP networks. 
 
Ordering Information
VIP-281GS H.323 / SIP VoIP GSM Gateway (1 x WAN, 1 x FXS, 1 x GSM, 1 x PSTN)
VIP-281GS GSM / VoIP voice communication 
 
 
Ordering Information
VIP-281GS H.323 / SIP VoIP GSM Gateway (1 x WAN, 1 x FXS, 1 x GSM, 1 x PSTN)
Network Features 
• Point-to-Point Protocol over Ethernet (PPPoE) Client Support: 
　The router has a built-in PPPoE client for establishing a DSL link connection with
　the ISP. There is no need to install a further PPPoE driver on computers. 
• DDNS (Dynamic Domain Name Server) 
　DDNS is a service that maps Internet domain names to IP addresses. It allows you
　to provide Internet users with a domain name (instead of an IP Address)to access 
　Virtual Servers. 
• NAT Traversal 
　The NAT traversal allows gateway to operate behind any NAT / Firewall device. There
　is no need to change any configuration of NAT / Firewall like setting
　virtual server. 

VoIP Features 
• H.323 / SIP dual mode communication 
• SIP 2.0 (RFC3261), H.323v4 compliant 
• Peer-to-Peer / H.323 GK / SIP proxy calls 
• Voice codec support: G.711(A-law / µ-law), G.729 AB, G.723 (6.3 Kbps / 5.3Kbps) 
• Voice processing: Voice Active Detection, DTMF detection, G.165 / G.168 compliant
　echo canceller, silence detection 
• Built-in adaptive buffer that helps to smooth out the variations of delay (jitter)
　in voice traffic 
• Voice channels status display: This function displays each port status such as 
　on-hook, off-hook, calling number, talk duration, codec 

GSM Features 
• SMS Server for SMS sending and receiving 
• Worldwide GSM network usable (850 / 900 / 1800 / 1900 MHz) 
• Supports GSM PIN code protection 
 
Ordering Information
VIP-281GS H.323 / SIP VoIP GSM Gateway (1 x WAN, 1 x FXS, 1 x GSM, 1 x PSTN)
Hardware
WAN 1 x 10/100Mbps RJ-45 port
FXS 1 x RJ-11 connection
PSTN 1 x RJ-11 connection
GSM 1 x SIM connection
Protocols and Standard
Standard H.323 v2 / v3 / v4 and SIP (RFC 3261) , SDP (RFC 2327), Symmetric RTP, STUN (RFC3489), ENUM (RFC 2916), RTP Payload for DTMF Digits (RFC2833), Outbound Proxy Support
Advanced Function IP TOS (IP Precedence) / DiffServ
Voice Codec G.711(A-law / µ-law), G.729 AB, G.723 (6.3 Kbps / 5.3Kbps)
Voice Standard Voice activity detection (VAD)
Comfort noise generation (CNG)
G.165 / G.168 Echo cancellation
Dynamic Jitter Buffer
Protocols SIP 2.0 (RFC-3261), H.323, TCP / IP, UDP / RTP / RTCP, HTTP, ICMP, ARP, PPPoE, DNS
Network and Configuration
Access Mode Static IP, PPPoE, DHCP
Management Web, Telnet
LED Indications System: 1, PWR
WAN: 1, LNK / ACT
Line: 1, In-Use / Ringing
Phone: 1, In-Use / Ringing
GSM: 1, In-Use / Standby 
SMS: 1, Transmission
Dimension (W x D x H) 180 x 110 x 25 mm
Operating Environment 0~40 degree C, 0~90% humidity
Power Requirement 12V DC
EMC / EMI CE, FCC Class B 

Ordering Information
VIP-281GS H.323 / SIP VoIP GSM Gateway (1 x WAN, 1 x FXS, 1 x GSM, 1 x PSTN)

Datasheet

Date Version Description Download
2007-11-24 1.0 VIP-281GS
 

Firmware

Date Version Description Download
2010-04-22 3.2.4L Added FXS port display the Caller ID when GSM call to FXS port.
2009-07-17 V3.2.2L a) Added 3 operators: Turkcell / Vodafone / Avea
b) Fixed when Baby call time was set to “0”, the relay have issue.
2009-01-02 v3.1.6 a) Added the SIP user Agent in SIP setting.
b) Added CIMI Add SETAR Aruba: 36301000
c) Fixed when the port is busy, should reply “486 busy” to replace “404 not found”.
2008-08-08 v3.1.3L a)Added the SMS detelection
b)Fixed the CID sent wrong number in SIP invite
c)Fixed call can't hang up from mobile call to GSM port
2008-07-24 v3.1.1L a) Add the connecting answer in GSM parameter.
b) Add GSM dial terminal key in “GSM Dial Plan”
c) Adjustment the Echo Reduce.
 

User's Manual

Date Version Description Download
2009-10-02 1.1.0 Correspond to firmware v3.2.2
2007-11-22 1.0.0 User's Manual (VIP-281GS)
 

EC Declaration

Date Version Description Download
2008-01-24   EC Declaration
Ordering Information
VIP-281GS H.323 / SIP VoIP GSM Gateway (1 x WAN, 1 x FXS, 1 x GSM, 1 x PSTN)