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The Kangyou Kaixin IAD900 voice gateway helps enterprises tr


    The IAD900 is a new-generation intelligent voice gateway developed by Kangyou Kaixin to meet the business needs of enterprises, industries, and operators. Adhering to the design philosophy of maintainability, manageability, and operability, it integrates carrier-grade, high-density, and large-capacity features with enhanced functions such as IP voice, IP fax, and voice recognition. It provides users with a flexible and future-oriented communication network, and offers voice communication support for government agencies, enterprises, schools, and other branches in building cross-regional IP voice switching networks.


 Kangyou Kaixin's IAD products come with a variety of interface types, supporting connections to analog phones, fax machines, PCs, and broadband networks. They adopt the standard SIP protocol, comply with TISPAN/IMS standards, and are compatible with IPPBX, SIP servers, and operators' IMS/NGN softswitch platforms. With flexible and diverse access methods, these products are suitable for large-scale deployment in operator projects and enterprise converged communications. Kangyou Kaixin has accumulated years of practical experience and strong technical expertise in SIP protocol, voice processing, and embedded system design, and its VOIP voice gateways have been adopted by operators and numerous enterprises worldwide.

  • The Kangyou Kaixin IAD voice gateway serves as the access gateway for IPPBX products

Applicable Scenario: During the IP-based transformation, it is compatible with existing analog telephones and fax machines, thus protecting customers' investments.


Solution Value:


  • Compatible with mainstream IPPBX products on the market.

  • Enables access to analog devices at a relatively low cost, protecting customers' original investments.

  • A single device supports 4-128 analog interfaces, meeting the needs of users of different scales.


    Kangyou Kaixin IAD voice gateway serves as a terminal-side product of the IMS platform.


  • Applicable Scenario: IMS Core Network Access

  • Solution Value:

  • Provides a series of IAD devices

  • A single device supports 4-128 analog interfaces, meeting the needs of users of different scales

  • Kangyou Kaixin IAD voice gateway can provide highly reliable local voice lines

    1. Applicable scenarios: Enterprise users with existing local voice lines, supporting FXO and E1 line access

    • Scheme value

    • Retain the user's original number

    1. Automated operation and maintenance management enables remote configuration upgrades and real-time fault alerts


    Digital relay gateway

    • E1 Digital Relay Gateway (Supporting 4-8E1)

    • Protocol signaling: PRI, R2, SS7 signaling, NGN SIP, IMS SIP protocols

    • Encoding type: Supports G.711a/u, G.729a, and G.723 audio encodings

    1. Number analysis: Call route, route backup, number transformation

      Basic voice services: PSTN calls: PRI, R2, SS7 trunks interconnect with PSTN or traditional PBX; IMS/NGN calls: SIP trunks interconnect with IMS/NGN or IPPBX

    2. VOIP guarantee: Dynamic JITTER BUFFER, Voice Detection (VAD), Echo Cancellation, Background Noise Generation (CNG)

    • IP services: DHCP Client, PPPOE, DNS, NTP Client/Server, SSH, FTP, HTTP/HTTPS

    • WAN: Single WAN mode, dual WAN link backup

    • Firewall: Basic firewall functions, firewall black and white list

    • Account management: Role-based permission management

    1. Local management: Web interface configuration, version upgrade/rollback, data backup and recovery, license management

      Remote management: SNMP V2/V3, TR069, OMC network unit

    • Status monitoring: Hardware status monitoring, service status

    • Log management: operation logs, running logs, user logs, security logs

    • Alarm Management: Active alarm, historical alarm query

    Analog voice gateway

    • FXS Analog Voice Gateway (supporting 4-128FXS)

    • FXO Analog Relay Gateway (Supporting 8FXO)

    • Working modes: Supports gateway, routing, and bridge working modes

    • Basic functions Supports multiple access methods such as static IPm, dynamic IP, and PPPOE, supports the function of multiple sub-interfaces, supports DHCP, NAT, DNS, IGMP, and VLAN functions, supports static routing, dynamic routing, and policy-based routing, supports PPTP, L2TP, IPSEC, and SSL VPN Supports VLAN division of switches, TRUNK ports, NTP client network time synchronization, QOS bandwidth speed limit and priority adjustment, firewalls, and ARP virus protection

      Voice service (implemented in conjunction with the core network /IPPBX) : Support basic calls, support caller's number display, support caller's number display restrictions, support unconditional call forward forwarding, support busy call forward forwarding, support unanswered call forward forwarding, support caller's number display, support call waiting, support three-party calls, support finding malicious calls, support outbound call restrictions, support do not Disturb, support offset dialing Support hotline service, support alarm clock, support callback when busy, support conference call, support IMS SIP voice service, support NGN SIP voice service, support H.248 protocol-based voice service.

    • Voice codec: Supports G.711 PCMU, G.711 PCMA, G.729 or G.729a

    1. Voice quality assurance: Supports echo cancellation, mute detection, mute compression, background sound generation, jitter buffer, voice frame compensation function, and gain adjustment.


    • Log function: Supports local log recording and log upload to the log server

    • Local management: Supports local HTTP Web management, supports remote HTTS Web management, supports import and export of gateway configuration files, supports setting of log file record levels, supports device reset  operations, supports software upgrades, supports device restarts, supports fault detection, and supports device status monitoring.

          Remote management: Supports remote upgrade function, supports SNMP network management        protocol, supports TR069 network management protocol, supports SYSLOG protocol.


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    Copyright： Nanjing Kangyou Kaixin Communication Equipment Co., Ltd. Record number： 苏ICP备19038806号