OpenSER Consultants

asteriskneeds.com

• Web site: VoIP-Support
• Technical support
• OpenSER implementation service
• asterisk integration

AG Projects

Multimedia Service Platform

• Web site: http://ag-projects.com
• High-availability OpenSER platforms http://www.ag-projects.com/docs/AG-Platform.pdf
• CDR mediation for OpenSER CDRTool
• ENUM Tier-2 management (DNS NAPTR records) ENUM
• SIP SIMPLE presence policy server OpenXCAP
• IM MSRP relay MSRPRelay
• Load balancing and redundant NAT traversal MediaProxy
• Integrated SOAP/XML provisioning system NGN-Pro
• Prepaid/postpaid
• Scalability to millions of subscribers

Asipto

• Web site: https://www.asipto.com/sw/
• Daniel-Constantin Mierla, co-founder OpenSER/Kamailio
• Elena-Ramona Modroiu, co-founder OpenSER/Kamailio
• OpenSER/Kamailio training, consultancy and development
• OpenSER/Kamailio-based SIP solutions

Brett Nemeroff Consulting, Dripping Springs, Texas

• Over 10 Years advanced CLEC and ESP experience
• Understand the concepts and requirements of CLEC needs
• Custom OpenSER Development
• Quick product turnaround
• Familar with performing advanced architectures and cost analysis for MTU (Multi-tenant) markets.

Web Page: http://www.nemeroff.com
Phone: 512-696-1408
email: [email protected]

Dr. SIP (Zà¼rich, Switzerland)

Expert for SIP, ENUM, Linux, MySQL, OpenSER/Kamailio, and Asterisk

• 3rd Level Support for SIP Issues / Troubleshooting
• Installation and maintainance of SIP (OpenSER/Kamailio, Asterisk, and other) systems
• High availability architectures
• Linux and MySQL
• NAT traversal
• Integration of heterogeneous VoIP systems
• ENUM integration
• Service contracts
• Strategic product direction and IETF Standardization
• Reviewing and development of architectures and designs
• Education

• Home page: http://dr-sip.ch/
• Contact person: Bernie Hoeneisen, dipl. El.-Ing. ETH
• Email: info(a)dr-sip.ch

Edvina AB, Sollentuna, Sweden

• Web site: http://edvina.net
• Olle E. Johansson, Asterisk developer
• OpenSER and Asterisk integration
• OpenSER installation, configuration
• SIP network design

Phone: +46 8 96 40 20

Neotiq FRANCE Paris

The French specialist of OpenSER solution.
Neotiq’s engineers are specialised in the deployment, development and the integration of OpenSER in enterprise and carrier environments. Our customers are carriers and service providers, which wants to evolve their services to open-source solution with a french support that fits their tough requirements.

• Website in french: http://www.neotiq.com
• Consulting, architecture and design of OpenSER solution
• Design and development of new services for IMS based on OpenSER
• Integration of other systems like Asterisk, Yate and gateways like Audiocode, Dialogic/Cantata, Nortel, Cisco.

Phone: +33 1 72 70 20 90
Fax: +33 1 73 72 96 81
email: [email protected]

Smartvox Limited

• Web site http://www.smartvox.co.uk
• UK based design, install and config service for Opensips and Asterisk
• Email: [email protected]
• Telephone: +44 1727 221221

TELEFAKS.DE Telefaks Services GmbH, Usingen bei Frankfurt

Wir beraten Sie bei der Installation und Pflege von Telefonlagen auf Basis von Freeswitch, Asterisk und SipX fà¼r mittelständische Unternehmen. Daneben integrieren wir Videoconferenz-Lösungen und SIP-Router (OPENSER/Kamailio).
Unsere Spezialitäten sind:

• Voice-Applikationen mittels eigenem Application-Server fà¼r Asterisk und Freeswitch, Definition der Voice-Applikationen per GUI
• verschlà¼sselte und abhörsichere Kommunikation und Telefonkonferenzen via TLS/SRTP, sowie Verschleierung der Identität der Gesprächspartner
• die Integration von Kommunikationslösungen in Mehrwertlösungen, z.B Geocoding eingehender Anrufe, Kopplung mit Alarmsystemen, Integration von Datenbanken, Abrechnungssystemen usw.

Server-, Virtualisierungs-, Cluster- und Backup-Lösungen auf Linux-Basis runden unser Portfolio ab.

• Home page: http://www.telefaks.de
• Email: mailto:[email protected]
• Contact: Peter Steinbach
• Telephone: PSTN +49.6081.688533
• Street: Theo-Geisel-Strasse 25
• Zip Code: 61250
• City: Usingen / Frankfurt /M

VoIP Embedded Inc.

• web site: VoIP Embedded
• OpenSER and Asterisk integration
• SBC/ALG Configuration
• Least Cost Routing implementations
• Upper registrar
• Embedded systems integration
• Technical support
• Location: Toronto, ON, Canada
• Contact: Ovidiu Sas <[email protected]>

Pablo Saro – VoIP Engineer

• Contact: mailto:[email protected]
• High-availability OpenSER/OpenSIPS/Kamailio platforms
• SIP delivery services platform
• Carrier grade solutions
• SIP / xmpp integration
• Web 2.0 Integration
  • Web Flash Phone and Chat
• Centralized web management
• Load balancing and redundant NAT traversal (MediaProxy)
• Solutions for Hosted IP PBX providers
• Scalability to millions of subscribers
• Asterisk and FreeSWITCH integration
• Integration with commercial telephony products (Cisco, Avaya, AudioCodes, Quintum)
• Database configuration storage
  • Realtime configuration delivery
  • MySQL Cluster
• Corporate LDAP integration
• Fax
• UNIX / Linux / Solaris Engineering
• Network Engineering

Evariste Systems

• Web site: http://www.evaristesys.com
• Contact: 678-954-0670 (or see contact form on web site)
• Location: Atlanta, Georgia, USA
• Services:
  • Kamailio (OpenSER) support & development (management advisory council member, official ASIPTO partner)
  • Large-scale Asterisk deployments.
  • SIP service delivery platform engineering.
  • IP network engineering.
  • VoIP contact centers project.
  • QoS.
  • VoIP application integration.
  • Telecommunications operational support systems.
  • Billing, rating, & least cost routing.
  • Cisco voice gateways.
  • SIP trunking.
  • Private VoIP peering/settlement.
  • Fax to email.

Laszlo B.

• web: Voipfreak
• CALEA solutions
• CDR/Billing
• Large-scale SIP deployments
• NAT traversal / Media proxies
• VoIP assistance with SS7 interconnections
• Tech support

See also:

• OpenSER – open source SIP server with TLS support