IP Centrex is a service where the call platform and PBX features are hosted at the service provider location. The business end users connect via IP to the provider for voice service.
OnSIP Virtual PBX (a.k.a. IP Centrex) by Junction Networks, the IP communications veterans.
OnSIP has been recognized by INC. Magazine, Voip-News, Internet Telephony and others as a leading service for business communication. Ted Stevenson of VoIP Planet called it “a pretty eye opening solution that moves business telephony into a very new place.”
Note: The most popular package for $99 / month includes all the features needed for a 25 person company!
This IP Centrex Service features:
- No cost per seat or user, pay only for usage of features and minutes
- No cost for rarely used conference room and lobby phones
- Mobile office connectivity – register any number of phones to ring simultaneously for the same extension
- Use any SIP phones or soft phones
- All you can eat conference bridge
- Free extension to extension calls
- No hardware to buy or manage
- Free internet to internet calls
- Easy 10 minute setup
- Firefox plugin for one-click calling and website click to call are free add-ons
- No contracts, there are many free trial options available
iTel Switch
iTel Switch is a single Softswitch platform for global Retail, Wholesale, Calling card & Call shop business. Being a highly customizable and scalable VoIP Softswitch with integrated billing, it serves as an ideal platform for all the VoIP service providers who want to provide a wide range of VoIP services.
Key Features
• Rate Plan Management
• Flexible & Advanced Routing
• Live Call Monitoring
• Multilayer Security
• Analysis & Reporting
• Behavioral Based Alarm System
• Call Simulator for Route Checking
• Client Management
• DID Management
• Payment Management
Centile Istra SP is a SIP carrier-grade Unified Communications services platform for services providers (fixed-line operators, integrators, PBX dealers, and SaaS providers) offering IP Centrex services to enterprises of all sizes over any network, and on any terminal.
ISTRA SP platform benefits:
- Field proven and agile
- Feature-richness including supervised conference, unified messaging, auto attendant, boss/secretary filtering, call restriction, groups management, Interactive Voice Responses (OVRs), automatic call distribution (ACD)
- Easy, rapid implementation and management
- Multi-tier ergonomic administration interfaces
- Automatic provisioning of terminals
- Open and distributed architecture based on industry standards protocols
- Customized web management portal for end user customers with presence and instant messaging
- Optimal management for network troubleshooting (NAT traversal, voice quality)
- APIs allowing third-party developments and integration with external components (billing systems, CRM…)
- Support of a wide range of certified terminals
Sonetel A free, global phone system for small and medium sized companies worldwide. This is a free IP-centrex service that can be connected to any phone company.
This product offers the following feature set:
- Free Windows plug’n play softphone/client with HD voice (any other SIP phones can be used also)
- Unlimited users worldwide
- Unlimited on-net calling for free within the solution, and to any SIP-destination
- Connect to one or more phone companies of your choice (free) – or use Sonetel’s add-on services for phone numbers and low-cost calling to mobile phones/landlines
- Call forward to SIP/PSTN/Extension on no answer
- Call transfer
- Call forking to all devices of each user
- Presence
- Chat
- For more details see www.sonetel.com
Star2Billing S.L. – Star2Billing offers an IP-Centrex solution for VoIP service providers who wish to sell hosted PBX services to their customers. When combined with A2Billing, billing is available as well with termination and Least Cost Routing.
Vidanetwork Global Office offers premium hosted PBX services to small and medium sized businesses. Global Office offers all of the advanced features of Hosted PBX services including:
- Free calls between extensions by 3-digit dialing.
- Pay-as-you-go Long Distance and International calling at the lowest rates.
- Self-management web interface to manage your PBX extensions, configure IVR, ACD queues and generate reports.
- Local or toll-free numbers from USA, Canada, China, UK and other countries.
- Voicemail, call recording, BLF, call monitoring tools and all other features.
- Hosted CRM integrated with your Global Office.
- Connect your own SIP devices, soft phones or download our free VoicePal app to your Android devices as your PBX extensions.
- Online Sign Up, instant activation!
- USA based supports, no contract.
See also
- NetFuse – IP PBX/IP Centrex Provider
- Asterisk – Open Source PBX
- Hosted PBX – Same As IP Centrex Service, Where the call platform hosted on high Speed Network.
- Hosted PABX
- IP PBX
- www.vidanetwork.net/ for more about hosted and on-premise solutions.
- Database Systems Corp. IVR solutions and IVR hosting
- PBX features
March 2, 2023
Phone System 