John Duffield Email & Phone Number
Voice Architect @ Voyager Internet Ltd
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John Duffield Location
- Auckland, NZ
John Duffield Work
- 2020 - now Voice Architect @
- 2018 - 2020 Voice Architect @
- 2013 - 2018 Voice Engineer @
- 2012 - 2013 Senior Voice Architect @
- 2011 - 2012 Consultant @
- 2007 - 2012 Consultant @ Deltaactive
- 2007 - 2011 Consultant @
- 2007 - 2007 Consultant @
- 2005 - 2006 Engineer @ Woosh Wireless
- 2004 - 2006 Senior Network Engineer @ Woosh Wireless
- 2003 - 2005 Engineer @
- 2002 - 2003 Senior Project Leader @ Source Integrated Networks
- 1999 - 2002 Network Consulting Engineer @
- 1997 - 1999 Engineer @
- 1998 - 1998 Network Engineer @
- 1995 - 1997 Technical Engineering Consultant @
- 1990 - 1995 Engineer @
John Duffield Education
- Aston University
MEng (Electronic Systems Engineering)
1986 - 1990 - Friends School Lisburn
John Duffield Skills
- Cisco
- Juniper
- ACME SBC
- Broadsoft
- NSN HIQ 8000 softswitch
- SS7
- MPLS
- VoIP
- Asterisk
- Symphony
- PHP
- Perl
- MySQL
- SIP
- CCIE
- Voice Communications
- Network Design
- Telecommunications
- Linux
- Symfony
- Cisco Technologies
- Integration
- Routing
- Internet Services
- QoS
- BGP
- Speech
- WAN
- IP
- Switches
- Networking
- SIP Trunking
- Telco
- Broadband
- OSPF
- Network Architecture
- Juniper Technologies
- Mobile Devices
- Development
- Features
- Prototyping
- Internet Protocol
- Session Initiation Protocol
- Signaling System 7
- Wide Area Network
- Cisco Systems Products
- Multiprotocol Label Switching
- Voice Over Ip
John Duffield Summary
- John Duffield, based in Auckland, NZ, is currently a Voice Architect at Voyager Internet Ltd. John Duffield brings experience from previous roles at Vocus Group Limited, Voyager Internet Ltd, Orcon and TelstraClear. John Duffield holds a 1986 - 1990 MEng in Electronic Systems Engineering @ Aston University. With a robust skill set that includes Cisco, Juniper, ACME SBC, Broadsoft, NSN HIQ 8000 softswitch and more. John Duffield has 2 emails and 1 mobile phone numbers on RocketReach.
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Top Voyager Internet Ltd Employees
Terry Churchill
Customer Success Manager
Christchurch, NZ
Tony Ripper
National Sales Manager Voyager Group
West Melton, NZ
Richard Kern
Product Manager - Connectivity
Auckland, NZ
Amanda Richards
Chief People Officer
Christchurch, NZ
John Duffield
Voice Architect
Auckland, NZ
Hamish McGlinn
Network Architect and Senior Network Engineer
Canterbury, New Zealand
Lee Miller
Chief Product Officer
New Zealand
Rean Mouton
General Manager: Digital Transformation
Auckland, NZ
Raj Sharma
Account Manager
New Zealand
Angela Hunter
Chief Revenue Officer (CRO)
New Zealand
Patrick Gensch
Senior Sales Executive
Auckland, New Zealand
Viral Patel
Network Practice Lead
Auckland, NZ
Todd Bryant
Chief Information Security Officer
Auckland, NZ
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