SIP trunking provides access to and from the Public Switched Telephone Network (PSTN) over the Internet Protocol (IP). Unlike in traditional telephony, where physical wires were once delivered from the telecoms company to a business, a SIP trunk operates over an existing broadband or leased line allowing a company to replace their traditional fixed PSTN lines with PSTN connectivity via a SIP trunking service provider, such as O-Tel Telecom.
How it works SIP Trunks are linked to a customer’s current telephone system which is either an IP enabled PBX or by using a Media VoIP Gateway, typically, a more traditional PBX. Outgoing calls are then routed through the PBX and out via the SIP Trunk instead of using costly traditional phone lines.
SIP trunks offer significant cost-savings eliminating the need for costly analogue, ISDN BRIs (Basic Rate Interfaces) or PRIs (Primary Rate Interfaces). SIP trunks offer the flexibility of being able to route multiple calls from your existing local numbers, anywhere in the world, to any national or international number within your company at the same cost. So a call to a Cape Town number may be answered in London or NewYork. SIP trunks allow home workers to be connected to the main office using the internet allowing transparent customer communication. SIP trunks can connect intraoffice PBXs eliminating the cost of intra office calls and offering the flexibility of overflowing calls to other offices at peak times or out of hours.
Billing and Costing
* Integrated pre/postpaid real-time billing and costing engine with call cut off* Unlimited customizable charge plans for your clients (wholesale model).* Blocked, flat rate, single rate and multi-tier rating (vary rate based on call duration)* Costing by ANI, NPA, NPA+NXX, DNIS, time of day, day of week, date/time range and/or destination* Ability to vary the scale of a minute at different intervals of a call.
Real-Time Control and Monitoring
Today’s competitive climate demands that businesses conduct their operations in real-time especially when it concerns network security, credit validation, rating and billing. O-Tel Telecoms Trunking solution helps to make your business more efficient and successful by performing its core functions in real-time resulting in improved cash flow and reduced collections, fraud and administrative overhead. Airtime replenishment can be done 24/7/365 securely via EFT. The world class automated system will ensure your service is one step ahead of the competition.
Multi-Vendor Device Support * Gateways * Softswitches * Session Boarder Controllers * Proxy Servers * Softphones, * SIP phones, and * IADs
Reporting * Centralized Reporting Engine to allow reports to be managed from within the portal * Includes Live Call Flows
Free Trial We believe that the full benefits are better demonstrated than written and therefore offer a 30 day no obligations free trial to illustrate the benefits.
Up and running in minutes!
We are a licensed carrier-grade wholesale VoIP provider offering high-quality SIP trunking and DIDs (phone numbers) at the most competitive rates. Our service is very flexible and scales down from the VoIP hobbyist, up to the largest call centers. When you sign up for account with us, you receive immediate access to the best management panel on the market to get your calls live within minutes. You will have the ability to purchase DiDs (numbers), manage trunks, view call records in real time, review statistics, and more.
How does O-Tel’s Billing work?
We run a prepaid service where you must keep a positive account balance to avoid service interruption. You can purchase services and airtime 24/7/365 via secure EFT while logged into your O-Tel Client Area.
We have designed our plans around a no nonsense policy that we hold near and dear. There’s no contract. We have thoroughly gone through or system to ensure that our plans will give you the ultimate flexibility and the best price.
What protocols do you support?
At the moment we only support SIP.
Our state of the art system allows you to purchase and manage your DIDs. You have the ability to purchase single DIDs as well as DID blocks. The VoIp Control panel you to manage and customize thousands of DIDs with ease.
What areas/provinces can I purchase DiDs in?
O-Tel has National DiDs thanks to its nationwide service deployment. O-Tel’s current offering included the major cities codes, such as 010, 012, 021, 031, 041 and 051. Other number codes include 013, 014, 015, 016, 017, 018, 022, 023, 027, 028, 032, 033, 034, 035, 036, 039, 043, 044, 045, 047, 053, 054, 056, 057, and 058.
Can I Port number to O-Tel?
Yes, we allow ports. Port orders into O-Tel are R179 for single-number orders. Port orders with up to 100+ contiguous numbers are R79 per number plus R699 admin fee. You will find the online Porting Application here: http://www.otelafrica.com/links/number-porting-form
Does O-Tel pass Caller-ID?
We pass Caller-ID, but do not guarantee successful transmission. We are able to transmit Caller-ID to all parts of South Africa as well as to some international destinations.
How do I set the Caller-ID I wish to transmit?
We transmit Caller-ID based on the presence of one of the following header fields in order of preference: “P-Asserted-Identity”, “Remote-Party-ID” or “From:”.
Can I call Telkom 0800, 0860, 0861, 102x and 10111 numbers using your service?
Yes, we can terminate calls to these numbers via cross connect.
Do you sell or give out personal information of our customers?
No, we take our customers’ privacy very seriously and do not release customer information unless we are legally required to do so. We abide by DoJ’s requirements, and RICA.
Can I view usage and check my remaining balance?
You can view in-progress calls, call records, and remaining balance in realtime once you’ve logged into your account. An email will also be sent to you once it reaches the warning limit your have set.Does O-Tel offer postpaid service?No, at this time our services are all strictly prepaid.
What dialing format should I use when sending calls?
For ease of use, we have kept the dialing codes as standard local, that is [area code][number] (011-xxx-xxxx ). For international dialing, add 00, then the country code. EG: To London,UK 00-44-208-xxx-xxxx
How many concurrent calls can you support?
Our state of the art carrier-grade platform can handle bursts of thousands of calls per second. We separate the signaling streams and send your media directly to our gateways throughout our national network so that you experience the lowest audio latency possible.
Does O-Tel have any tools to prevent against fraud?
Yes, we allow our customers to set a maximum outbound limit for calls. We also advise that you follow some general security practices in order to minimize fraud on your account:
- Ensure your password for your O-Tel SIP Trunk account is very secure.
- Restrict web access to your PBX/VoIP system.
- Protect your PBX/VoIP system with software-based firewalls such as IPTables.
- Protect your network with a hardware-based firewall.
- Use strong passwords for all phone extensions on your PBX.
- Use non-standard ports for system services.
- Implement a VPN for your PBX/VoIP system or join the O-Tel National MPLS ADSL Network.
- Review access logs on a regular basis.
- Keep up to date on security patches and practices for your network services.
VoIP fraud patterns are constantly evolving today and we are doing our part to develop increasingly sophisticated detection and prevention measures. The best line of defense is always the security of your own systems.
|On-Net||Billed per minute|
|Reseller-Net||These are calls within your SIP Accounts|
|Standard Support||Free, Includes Ticket support only|
|Contact us for pricing!|