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Business: Telecommunications: Services: VoIP
- Offers SIP Trunk origination & termination targeted at small businesses and consumers. VoIP Infrastructure as a Service (IaaS) for enterprise grade networks. VoIP troubleshooting resources and papers.
- White label SaaS platform enables Channel Partners to successfully sell, deliver, manage, and invoice for cloud SIP communications services. Partner programs for MSP, VAR, and ITSPs.
- Wholesale SIP trunking provider offering low-cost DID origination and termination. Site offers multiple interconnection guides for most popular PBX systems.
- Provides wholesale US SIP termination and US DID origination.
Enterprise Communications Center
- SIP trunking and business VoIP solutions. Site contains white papers and webinars.
- Offers IP based telecommunication solutions: SIP trunking, and IP PBX backup solutions. Internet faxing using store-and-forward HTTPS faxing with Audiocodes ATA adapters with T.38 support.
- SIP only carrier offering wholesale VoIP solutions. SMS messaging platform and developer API integration. Supports G.729 audio codec. Guides available for interconnection.
- Provides free SIP addresses and softphone configuration instructions.
- SIP Trunking, hosted PBX, and carrier offload services to small and medium businesses. Toll-Free SIP trunking and disaster/fail-over solutions available.
- Provides UK phone number SIP termination for ISPs, ITSPs, call centres, calling card providers, and carriers.
- A combined SIP service and web application that can manage SIP devices and SIP providers.
- SIP trunk provider offering quick SIP trunk configuration and flexible billing platform. Custom module available for easy integration for FreePBX.
- SIP trunking solution. FAQ and support pages.
- A fully automated , white label B2B SIP Trunk provider. Offers store-and-forward HTTPS fax. PBX configuration guides, and SIP trunk education resources available.
- T.38 Fax Over IP (FoIP) service. Offers T.38 SIP trunk origination and termination, as well as service provider fax offload. ECM Self-test, with PBX and device configuration guides available.
- Offers SIP trunking, data, and hosted telephony solutions. UK based.
- Wholesale VoIP DID, Origination, Termination and E911 service provider. "Backoffice" platform offers inventory management, CRM and least cast routing via underlying SIP carriers.
SIP Service Providers
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Last update: April 18, 2016 at 1:57:37 UTC -