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  • Protect investments

    The GIII gateway protects legacy investments, offering TDM-to-IP interworking and TDM-to-TDM protocol conversion with many essential call routing features.

    Optimised for SIP and SS7

    The GIII gateway is optimised for SIP (SIP 2.0 – RFC 3261) and SS7 interworking, with signalling protocol conversion and media gateway functionality in line with industry standards.

    Problem solver

    A resilient and reliable, tried and tested solution that solves your call routeing and interworking problems, ready for worldwide deployment.


  • Deployment ready solution

    The GIII gateway is the “gateway of choice” for SS7 and SIP interworking in NG9-1-1 / 112 applications.

    NEBS compliant chassis

    Offered in a carrier grade, 2U chassis for any telco deployment where SS7 and SIP interworking is needed.

    Wide range of protocols supported

    Including legacy CAS, MF-CAMA, ISDN PRI, SS7 and SIP 2.0.

GIII features

trusted by...


  • What our customers say

    Syntec testimonial
    “The Aculab ApplianX AP Gateway is a great piece of kit allowing one to combine the VoIP/ISDN features of the gateway with a powerful VM instance, allowing bespoke facilities to be provided all in one box. Very useful in the often met environment where rack space is at a premium.”
    James Campbell, Operations Director, Syntec
  • What our customers say

    Paytel testimonial
    “ Aculab was very quick to understand our requirements and make the changes we need to get our development efforts underway. The ongoing support and consultation from Aculab was a tremendous asset.”
    David Orr, Paytel
  • What our customers say

    BT testimonial
    “When we needed a totally reliable and mission critical connection device that gave us good visibility of any problems, Aculab’s gateway was the natural choice.”
    Andy Dennis, BT
  • What our customers say

    Nixxis testimonial
    “ In terms of reliability, functionality, adaptability, scalability - and certainly operating simplicity - the Applianx IP gateway continues to exceed our expectations. The ApplianX IP gateway serves a vital role in delivering the seamless connectivity our customers demand.”
    Tjardick van der Kraan, Nixxis
  • What our customers say

    Addenbrooke’s Hospital testimonial
    “The ApplianX can do various TDM to VoIP conversions and is easy to configure; with responsive support and development teams it has been an invaluable tool in helping us bridge the decades.”
    Peter Cleveland, Head of Infrastructure, Addenbrooke’s Hospital
  • What our customers say

    Cincinnati Bell Telecom testimonial
    “ Smooth and reliable integration with our SS7 network was of paramount importance in our selection criteria. The combination of microDATA’s solution and Aculab's gateway emerged as the best option to address our needs.”
    Don Kiely, Emergency Services Manager at Cincinnati Bell Telecom


Standard and compliance

Aculab is committed to maintaining a high standard of quality and security across the board.

Data security and standards compliance are key to Aculab, and we have passed audits for compliance with standards ranging from Quality Control (ISO 9001:2015), through Information Security (ISO 27001:2013) to Data Privacy (EU GDPR) and health-related standards such as HIPAA and HITECH.

iso 9001-2015
iso 27001
gdpr logo
UKAS mark
CE mark