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IP PBX Phone Systems

IP PBX systems provide audio, video, and instant messaging services through TCP/IP protocol for the internal communication in an organization. The internal network can also be connected to the PSTN for telephone communication. IP PBX can exist both as a hardware system and virtually, as a software system.

IP PBX systems help reduce the expenses for long distance communication; they also provide a single network for both voice and data and advanced computer telephony integration (CTI) features, greater mobility and increased redundancy.

Fully featured IP PBX systems are available for SMBs, supporting up to 30 users as well as for enterprises, supporting 30 to 300 users and over 80 concurrent calls. IP PBX systems also have ports for FXO, FXS, GSM, UMTS, ISDN BRI connectivity, with embedded E1/T1/J1 ports. Hybrid IP PBX systems are also available that offer ISDN, BRI and PSTN connectivity.


  • Interactive voice response (IVR) technology
  • Queue
  • Firewall
  • DDNS
  • Voice Mail, Voice Mail to Email and Voice Mail Forwarding
  • Multi-Language Prompt
  • Skype Integration
  • Intercom/Zone Intercom
  • Music On Hold, Music On Transfer
  • Phone Provisioning
  • Spy functions (Normal Spy, Whisper Spy, Barge Spy)
  • Conference Call
  • Auto Attendants
  • Mobility Extension
  • Point-to-Point Protocol over Ethernet (PPPoE)
  • Static Route
  • FAX (T.38)
  • Open VPN
  • Redundancy
  • A rich set of SDK for integration with 3rd party application
  • Features like Call Forwarding, Waiting, Parking, Routing, Recording, etc.


VoIP Gateways are protocol converters used in VoIP, to bridge the gap between the E1/T1/J1 and VoIP networks. Gateways are generally single port, offering two-way communication that supports both VoIP to E1/T1/J1 and E1/T1/J1 to VoIP.

Typically, gateways have interfaces to IP network as well as PSTN. There are a number of ways to configure VoIP gateways, including

  • A PBX system with external connection through VoIP via the Internet
  • A PSTN interface to a telephone network, with internal connection to a VoIP system
  • External PSTN and VoIP interfaces

SMBs can enjoy inexpensive communication via SIP trunking. Easy to navigate GUI, easy installation and integration and less power consumption features are available in several gateways.


  • Trunk Support
  • Call Routing Rules
  • Caller ID name and number support
  • FAX support
  • Blacklist
  • Firewall
  • DDNS Support
  • Backup And Restore
  • Easy to install
  • Automatic appending and stripping of digits to dialed numbers

GSM Gateways

VoIP GSM gateways (also referred to as GoIP gateways) allow two-way communications between IP, digital, analog and GSM networks. With GSM gateways, you can make cost-effective phone calls from an IP phone to a GSM network through Least Cost Routing (LCR). Through LCR, the gateways identify the most cost-effective connection based on the information stored in the internal routing table. GSM gateways are particularly useful for businesses to reduce their call costs on IP to GSM.

GoIP gateways allow individual connections to the IP PBX network, and offer the advantages of mobility and scalability, along with cost savings.


  • Open Standard VoIP Protocols (SIP&H.323)
  • Single or Multiple Server Registrations
  • 10/100 Ethernet for WAN / LAN connections
  • Peer-to-Peer IP Calls
  • Speech quality ensured by QoS at the Ethernet and IP layers and comprehensive jitter buffer
  • Line Echo Cancellation
  • VLAN and QoS support
  • NAT Transversal and Router functions
  • Voice prompts, HTTP Web, Auto Provision support for configuration and updates
  • Highly stable embedded Linux operating system in high performance ARM 9 Processor

FXS Gateways

FXS gateways allow your analog phones or fax machines to connect to the IP network for making VoIP phone calls. FXS gateways bridge the gap between IP network and the PSTN network, so that you can use your existing traditional phones to access the low cost VoIP telephony services.

FXS gateways are a cost-effective solution to achieve extended returns from your analog phones to make cheaper phone calls.


  • Open Standard VoIP Protocols (ITU H.323 V4 and IETF SIPV2)
  • 10/100 Ethernet for WAN / LAN connections
  • Peer-to-Peer IP Calls
  • Speech quality ensured by QoS at the Ethernet and IP layers and comprehensive jitter buffer
  • Support T.38
  • Line Echo Cancellation
  • PPTP VPN, VLAN and QoS support
  • NAT Transversal and Router functions
  • Voice prompts, HTTP Web, Auto Provision support for configuration and updates
  • Highly stable embedded Linux operating system in high performance ARM 9 Processor

Fax Servers

VoIP fax servers use the Internet Protocol for transmitting the signal. VoIP fax servers offer several advantages over the conventional machines by decreasing document delivery costs and associated maintenance costs; by saving time and resources; and to promote employee productivity on fax communications.

VoIP fax servers are reliable and secure, no more lost papers or toner mishaps. As it is a mobile fax, you can send or receive faxes even outside office!


  • Connect a physical fax machine for scan, print or fax directly using FXS port
  • Compatible with PSTN (FXO)
  • Can communicate by phone before fax
  • Auto converts documents as DOC, XLS and PDF to fax format
  • Auto creates a single fax document with multiple pages from multiple documents.
  • Send a fax to multiple numbers at the same time.
  • Customizable fax page header
  • Allows users to make annotation, signature and stamp
  • FAX to Email
  • Virtual fax extensions can make calls; send emails and instant messages to each other

IP PBX Server

IP PBX servers integrates the otherwise distributed servers into one single element. A fully integrated IP PBX server typically has an embedded SIP Registrar, Proxy, Presence and Voice Mail Servers.

It can support 200 to 500 users and offers a comprehensive, fully featured and compact IP PBX. It provides the best and cost-effective solution for inter-branch office communications, seamlessly connecting all the branches of an organization.


  • Open Standard SIP Support
  • Multi-Site Connectivity
  • SIP Trunking
  • Flexible Phone Options
  • Back-to-Back User Agent (B2BUA)
  • NAT and STUN Support
  • Embedded RADIUS and SMTP Client
  • Embedded Dynamic DNS Client (DDNS)
  • Busy Lamp Field (BLF) Support
  • Auto-Attendant
  • Web Based Configuration/Firmware Management
  • Multi-Lingual Web Based Programming Tool (Jeeves)
  • Peer-to-Peer Calling
  • Automatic Number Translation
  • Presence Indication and Instant Messaging
  • Video Calling
  • Call Forking
  • Voicemail to Email Notification
  • Caller ID based Routing
  • DDI Routing
  • FAX Homing

PRI Card

Primary Rate Interface (PRI) card is a standardized telecommunication service within the ISDN specification for carrying multiple transmissions between the network and the user. PRI is used as the standard in offices for telecommunications.

PRI cards can handle 30 simultaneous calls per span with full-duplex data throughput and offers high voice quality available at an affordable price.

Some high-end cards support more than 50,000 calls per day in hardcore call center environments. You can create your own powerful PBX with using such PRI cards with major Open Source platforms.


  • Supports SS7 Signaling
  • 128 ms Hardware based Line Echo Cancellation on Octassic TM DSP
  • Elastic TM Certified and works Asterisk TM, Frees witch TM, YATE as well as other open source projects
  • 1, 2 and 4 ISDN-32 PRI T1/E1 Ports with 30 B channels and 1 D channel per span
  • EuroISDN (PRI or PRA) - Q.931/Q.921
  • Fully PCI 2.2/PCIe compliant
  • RJ 48 Connector
  • Suitable for 3.3 volts and 5.0 volts 32 bit PCI 2.2 slots
  • PCI 2.2/PCIe Compliant
  • 50 users Conference Room, Mixing done on Card

IP Phone

VoIP phones or IP phones use voice over IP (VoIP) technology to transmit and receive telecommunications over an IP network.

IP phones offer better functionality and reduced expenses, especially in long distance telephone communications. A number of features offered by VoIP phones that are not available in analog phones, such as ease of contact list sharing across multiple accounts, availability to create email-like IDs for contacts, and so on.

IP phones combine functionality, design, cutting-edge technology and affordability, all at once. It is a cost-saving solution for SMBs and home offices.

VoIP phones can be a simple, software-based phone (soft phones) or specifically built phones that look similar to an ordinary phone, full duplex hands-free speakerphones are also available.


  • 4 Line Indicators with individual SIP account profiles
  • 4 Programmable Function Keys (for Line, Transfer, Assign Key Events etc)
  • HD Voice Quality (Wide Band Codec)
  • Phone to Phone Encryption through SRTP & TLS (SIPS)
  • Hot keys for Voicemail / Messages, Speaker, Headset, and Hold
  • Full Duplex Speaker Phone with Acoustic Echo Canceller
  • SIP RFC3261 Compatible
  • User-Friendly Web-GUI & Menu-Driven User Interface
  • Supports Manual Configuration & Auto Provisioning (TR069)
  • Busy Lamp Field support (BLF)
  • 4 lines - 2 Concurrent Calls per line
  • Full SIP Protocol Support with Extensive Interoperability
  • Robust Security Mechanisms
  • Supplementary Calling Features (including 3-way conference)
  • Multi-Language Support
  • Integration with Voice Quality Monitoring
  • Packet Loss Concealment
  • Low-Delay Adaptive Jitter Buffers
  • SIP supports SIP domain, SIP authentication (none, basic, MD5), DNS name of server, Peer to Peer/ IP call
  • Web, Telnet, Keypad Management
  • Incoming and outgoing via any SIP server (in case of multiple servers)

SIM Bank

SIM Bank is used along with GoIP gateways for SIM car4d safekeeping and for centralized management. It allows you to store all your SIM cards in one place and gives you complete control over the system, right from your office. With a SIM bank, you do not have to install all your SIM cards on GoIP. SIM cards installed at different locations can be virtually moved to other GoIP channels.


  • Storage array for 32 SIM cards
  • Hot swap
  • Standalone operation to support up to 32 independent SIM connections
  • Free SIM Server for management of SIM Banks and SIM cards (>10K SIM connections)
  • DDNS

Voice Recorder

Voice recorder acts as a voice logger to record your telephone conversations for backup for business purposes. It usually offers features such as caller ID display, call recording management and so on. Equipped with strong recording functions and internal storage of up to 8 GB, the voice recorder can store a variety of information, including the inbound number or outgoing number, etc.

With a concise interface, it supports the common operating systems like Windows XP, Windows Vista. It typically comes in 1-line, 2-line and 8-line connections, supporting 1, 2 and 8 telephone connections, respectively.

  • Records automatically
  • Compatible with FSK and DTMF signal
  • Monitors all users ID number
  • Superior management functions
  • Anytime retrieval, any time play
  • Very easy to store, compress, move, delete, backup
  • 5 high quality recording effect to shield outlying signal effectively and to add clarity
  • High-performance AGC algorithm processor