This is a list of SIP phone service providers around the world. SIP phone service is increasingly helpful for people and businesses looking for affordable phone service.
For example, with a Nokia N80 which works on 3G, WiFi and a built in SIP Client, any SIP based service provider can now be a mobile phone carrier, riding on the network of other data service providers on a mobile phone.
Major SIP Based Service providers.
Cytranet
Cytranet is one of the largest business VOIP providers in the Southeast, and operates a nationwide network.
- SIP, PRI, Analog, Hosted
- Custom solutions
- Bring your own equipment or use ours
- Fast, friendly support 24/7
- Unlimited calling anywhere in the US
- Keep your current phone numbers
Unlimited SIP Trunk.com
UnlimitedSIPtrunk.com offers single-source custom SIP trunks with unlimited calling. Call 800-861-1183.
- Compatibility with 200+ PBXs and devices
- 99.999% reliability
- Keep your local numbers or get new ones
- Free eFax
- Unlimited calling anywhere in the US
- Premium calling features such as Simulring, Robocall Blocking.
OnePipe
1Pipe Telecom | OnePipe is a licensed carrier providing Hosted PBX and SIP Trunking in over 50 countries. We have regional network facilities spread across the globe.
- Actual US CLEC
- Branded customer portals
- Multiple geographic locations on one Hosted PBX
- Coverage in over 50 countries
- Unlimited inbound on each channel
- Great for inbound call centers
- No fee’s per user or extension
Alcazar Networks Inc. is offering Wholesale Origination / Termination / Free Toll Free Termination – Get paid for your toll free traffic! We provide high quality, dependable access to over 3100 rate centers and instant access to over 1,200,000 DIDs including T38 and local number portability. Wholesale SIP
AVOXI AVOXI Virtual Call Center Solutions – VoIP Service Provider, provide virtual call center products like SIP trunking and VoIP gateway solutions, with international toll-free numbers. Contact AVOXI at +1-770-937-9735 to learn more about these products and services.
Axvoice SIP based VoIP phone service. Works on computers as well as smartphones.
Cebod Telecom provides SIP trunks, Virtual PBX telephony solutions, internet services for small to mid-sized enterprises, and larger companies delivering high- quality voice, premium features and unified communications. The company offers a state-of-the-art Pay-Per-Line business phone service model, empowering businesses to pay per line as opposed to paying per user in the company. In addition offers all-inclusive premium IP PBX and dial tone features including auto attendant, call tracking, call logs, music on hold, call forwarding, voicemail, call queue, conference bridge, e-Fax, and SMS and more. High call quality, unlimited user extensions, and unlimited calling within USA and Canada are some of the benefits also offered for each phone plan. Contact us today for a free demo.
Conexiant – Wholesale VoIP – direct connections to CLECs for best quality, inc. Level3.
- Global Level 3 footprint Denver, LA, Hong Kong, China and Frankfurt, Germany
- DIDs, Toll Free, E911 service, T.38,VoIP fax, quality termination and dedicated VoIP servers
- DIDs per-channel or per-minute
- Get paid for your toll-free traffic
DIDForSale We offer largest coverage all over US with more the 11000 Rate Centers. Multiple products for all size companies. Highly rated for price, quality and customer satisfaction.
- Works with any SIP based PBX like Asterisk, Freeswitch, Free PBX, Cisco, Opensips, Kamailio, VoIP Switch
- No Commitment, Many products to fit your budget.
- Unlimited calling on SIP Trunks
- Largest Single Tier SIP Trunking with unlimited minutes anywhere.
- DIDforSale now also provides US, UK and Canada DID’s.
- You can get Local Phone number for your business.
- Low per minute Toll Free numbers
- DIDforSale now also offers unlimited inbound/outbound SIP Trunks for businesses.
- Check the sip trunk pricing
- Works with any SIP based Phone system, Asterisk, Freeswitch, Voip switch and lot more.
Advanced phone solutions, tailored for your business. Mobex is a professional, reliable phone service that improves your company’s image and productivity.
FreelyCall – Net2Phone offers high quality, low cost SIP Trunking and Business VoIP Solutions – no charge per channel, no contracts, pay only for the minutes you use.
OnSIP – OnSIP, by Junction Networks, offers free sip domain hosting plus a complete set of business phone services including unlimited sip addresses, extensions and users. PBX features such as DBN, auto-attendant, inbound and outbound calling, etc. are pay-as-you-go. Service is 100% SIP based and is ultimately flexible.
RingRoost – Enterprise level hosted PBX for companies world wide, featuring an easy to use PBX & call flow system builder.
- The Open & Hosted PBX Builder
- ((RingRoost – How to setup a hosted PBX | Learn how to setup an office PBX))
- Simple IVR Setup
- SIP Inbound & Peer to Peer calling
- Local Phone numbers
- Pay Per Usage Pricing
- Call Queues, Database Integration, IVR’s, PBX’s, CNAM Lookups
- E911 Enabled
- Toll Free Numbers
- SMS
- Call Filters, Cick2Call, Voicemail, SIP Registration
- SIP & PSTN outbound
SIPTRUNK.com – The simple, easy and profitable way to resell SIP trunking services.
With SIPTRUNK.com, account creation to live service happens in less than 10 minutes! The SIPTRUNK.com white label SIP trunking platform is designed for hardware-centric businesses interested in developing a monthly recurring revenue stream from selling SIP trunking services. SIPTRUNK.com is brandable, handles all end-user billing and complex telecom taxation collections can be configured for multiple partner levels and provides transparent commission reporting all backed by service and support personnel with decades of telephony industry experience.
VirtualPBX, an award-winning business VoIP provider and pioneer of hosted PBX offers a seamless and cost-saving SIP Trunking service.
-Keep your existing PBX system
-Setup in minutes
-Get expert assistance
-24/7 customer support
-99.999% system uptime
-Plans start with 20 channels
-Includes 5 additional burstable channels
-No port in fee for local and toll-free numbers
Vonage – Vonage also provides SIP based service, which you can configure on your SIP client.
TPAD – Tpad provides SIP based service, which you can configure on your SIP device / ATA / IP Phone / WiFi Mobile (Nokia N95 etc.)
VoIP Innovations VoIP Innovations ilow-costesale VoIP Services Provider, interconnected with the industry’s top telecommunications carriers. VoIP Innovations provides high quality and low cost VoIP services to ITSPs and resellers through our unique industry leading BackOffice, Titanium III. Titanium III provides you with online access to the industry’s largest footprint and number warehouse.
Jet Interactive Pty Ltd – SIP services within Australia. SIP Trunks at all locations. The App Driven Business Phone System. Founded in Australia in 2006 – Jet Interactive has been providing Australian Businesses, large and small, with PABX – phone systems, business phone numbers, Business VoIP, Business Phone lines. Also inbound numbers, 1300, 1800 call tracking and cloud mobiles. Jet’s network is 100% cloud based allowing calls to be answered on a desk phone, mobile or computer anywhere in the world. IVRs and Call Queues.
Phone System 