Or you can say a session border controller is a hardware device or a software application that used in the where phone calls are initiated, conducted and terminated on VoIP network, where phone calls are referred to as sessions.

Features of Session Border Controllers:

• Hybrid SIP/TDM platforms
• Identical code base for all models
• Interoperability which is certified
• SIP mediation capabilities

Benefits of using Session Border Controllers:

• Scalable range of products which is good for any size of enterprise and service provider deployments.
• Provide smooth migration from legacy telephony to SIP-based networks
• Advanced and higher security against malicious attacks and fraud
• 50% savings in overall IT telecom costs.
• Improved customer service

Why need to use Session Border Controllers for telecom business?

• Easy & fast global migration
• Comprehensive interoperability available
• Resiliency and survivability
• Complete solution for any size of business from smaller to large level
• Perimeter defense to any size of enterprise
• QoE monitoring and dynamic optimization
• Advanced routing manager
• Universal CPE
• Customer support and professional services available 24/7

Session Border Controller Applications:
• SIP trunking
• IP contact centers
• Cloud-based IP communications services
• Mobile workers and small offices
• Unifying disparate communications environments
• Service provider border security

VoIP stands for Voice over Internet Protocol; this is a new way of digital telephone service where calls can send and received over the Internet.

What to look for into VoIP service Providers:

1. Support – You must check that they provide 24/7 support or not? What are the support options and where the center is based out?

2. Reliability/Down Time – you must check that how often they scheduled to be down for upgrades and maintenance?

3. Quality of Service – Must ensure that your service provider is able to deliver high quality calls at all times.

4. Versatility – You must check that your provider is able to grow as with you and shift along with you and your business needs.

Once you selected your VoIP service provider then must check the most important factor cost – this is a universal concern for anyone. Before proceeding with service provider check provider’s plans and their pricing and make sure that they’re the most cost efficient for your business. Along with cost you must check quality & reliability, feasibility, portability and customer support; all factors must consider before making the deal and that may be clinchers when going through the process.

Website:- http://www.borderlesshub.com/product-category/sangoma/session-border-controllers/