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Our technical experts provide personalized customer trainings to match their needs and expectations. They aim at configuring and running our NGN, SBC, UC, IMS and RPE platforms. Besides, our Customer Engineers configure, register softphones, place calls and troubleshoot on our training lab.


We provide consulting services to our customers to find the solutions that match their needs at the very best. The close relationship we establish with our customers help us to find alternatives to go beyond their expectations.

Customer engineering

Our Engineers remain the customers’ key contact from the order to the final approval. They are not only in charge of the project preparation and the delivery, but they also manage the installation and the final approval.

Customer care

Personalized services to customers

We offer a wide range of services to help our customers to maintain their operational systems:

  1. worldwide customer support: our experts provide a significant platform follow up with many lab systems
  2. SLA: it includes 24/7 emergency assistance, issue analysis, software upgrade, hardware replacement and customer follow up
  3. personalized follow up: to solve their issues as quickly as possible, our customers have a SPOC Support Engineer, who is based in Paris.

High quality services

Our support, R&D and sales teams work closely to provide the best services to our customers. Our support team provides level 1 to level 3 support and can handle customer networks from one thousand to many millions subscribers. One software upgrade1 is included in our maintenance and support contract.

1 The software upgrade includes the new software version,installation services and follow up


NGN to IMS white paper
NGN to IMS white paper

F In the late 20th century, fixed operators undertook the migration of their networks

IMS Odyssey white paper
IMS Odyssey white paper

Even if the IMS (IP Multimedia Subsystem) history still goes on, we can already...

Cirpack at ANGA COM 2019 in Germany
Cirpack at ANGA COM 2019 in Germany
From June 4th-June 6th 2019, Cirpack will exhibit with Corning Services...

Cirpack brings “Smart throttling of SIP Calls” to its SBC
Protecting the multimedia core network from traffic congestion...

  • «Our customers expect and receive a very high quality service from Viatel. We make sure we source the best companies to enhance our service offering. We’re proud to have a well established partner like Cirpack working with us on our new voice services. »
    colm piercy , CEO at Viatel LTD.
  • « We found in Cirpack the strategic partner that could provide a very stable and scalable platform. We continue growing and we will do it with Cirpack with the warranty that it provides a reliable, stable platform and with the right support. »
    rony picardo, Marin Gerente de Interconexión y Tigo Costa Rica
  • « We are very pleased to work with Cirpack and appreciate their flexible way to find technical and commercial solutions. Our Cirpack softswitch is the heart of our network and is used as a PSTN switch withDTAG and other carriers as well as NGNswitch for the communication with our international Interconnection partners. »
    volker huber, general manager at MobileExtension GmbH.
  • « We chose Cirpack softswitch as core technology for our voice network. We appreciate system maturity, level of technology integration, level of system clarity, cost/benefit ratio, level of professional support. »
    Jaroslav saroch, Head of Systems and Network at Dial Telecom A.S.

Should you need any additional information?

Have a question? We’re always here to help.

Contact us

Southern Europe

26-40 rue d’Oradour-sur-Glane
75015 Paris
+33 (0)1 83 75 38 00

Northern Europe

Karl-Wiechert-Allee 76A
D-30625 Hannover
+49 (0)511 27032752


Guadalajara 54, Col. Roma
CP 06700, Del. Cuauhtemoc
MEXICO, México D.F
+52 (55) 5047 7609

Middle East & Africa

63rd Khoury& Boustary
Building Antelias, PO Box 165-188
+924 4 524 761


TMA Tower, Quang Trung, Software City
Disctrict 12
Ho Chi Minh City