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1. |
Brekeke Software
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Products for small to medium sized offices and a server database.
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Parrish Systems
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Sells off the shelf code and provides a software consultancy service.
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3. |
PROTOS Test Suite
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A test-suite to find vulnerabilities in protocol software.
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4. |
pulver.com
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A collection of information on the protocol. Contains news, reports and an IP telephony job noticeboard.
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5. |
Session Initiation Protocol (SIP)
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FAQs, background materials and lists of current work in this field.
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6. |
SIP Forum
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A membership based forum. Also contains a news board.
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SIP Wiki
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Wiki based resource containing information and links.
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8. |
SIP411 Directory Services
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A Yellow Pages style directory of SIP addresses.
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9. |
Soft Front
NEW!
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Provides a software development environment.
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10. |
The SIP Center
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Portal with technical and market resources aimed at commercial developers. Also provides a testbed area for software and proxy development.
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11. |
Voice System
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Design, consultancy and development for SIP Express Router (SER) servers.
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12. |
VoIP News
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Information on available technologies and software/hardware product reviews.
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13. |
VoIP User
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Consumer guide and forum. Also has software phone downloads and links to service providers.
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14. |
FirstHand Technologies
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Client and server software developer for service providers and telecom equipment vendors, to address enterprise mobility markets.
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15. |
IETF SIP Charter
NEW!
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Working group for protocol development. Links to RFC's and internet drafts.
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16. |
SIP Compose Group
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A working group experimenting and documenting the protocol. Contains various internet technical resources.
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SIP Made Easy
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An introductory tutorial talks about protocol functions, components, message types, how it works and where it is applied.
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18. |
SIPfoundry
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An international open source community providing VoIP solutions and technology based on the SIP standard.
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19. |
Tech Invite
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Portal containing links to technical information and RFC documentation.
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20. |
Vidosystem
NEW!
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Produces softphones. Site has downloads section and information on protocols supported.
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