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SIP Trunking = Cost Savings

A SIP trunk is a service offered by an ITSP to use SIP to set up communications between the IP-PBX and the ITSP.  A trunk includes multiple voice sessions – as many as the business needs. While some see SIP as just voice, SIP trunking can also serve as the starting point for the entire breadth of realtime communications possible with the sip protocol, including instant messaging, presence applications, white boarding and application sharing.

Quick Return on Investment

The potential for rapid return on investment is a key driver of SIP trunk deployments. However, maximum return on investment can be achieved when you extend VoIP outside the corporate LAN. In terms of infrastructure purchases, SIP trunks provide and immediate costs-savings. A typical no-frills telephone line from the local telephone company will cost anywhere from $48 to $68 per month plus taxes. A SIP trunk will cost anywhere from $6 to $29 per month depending on features selected and you pay no taxes.

There are 3 components necessary to successfully install SIP trunks. For larger enterprises with over 10 SIP trunks that require DID’s: a Hybrid/IP PBX with a SIP enabled trunk side, an enterprise edge device understanding SIP and the Internet Telephony SIP Service Provider (ITSP).  For smaller deployments with less than 10 lines on average that do not require DID’s, some ITSP’s deliver SIP trunks without needing an enterprise edge device.

An argument commonly heard is that SIP trunking is not as reliable as the traditional POTS line. It is true that Internet connections are more dependent on electrical power, and POTS lines may have a better average uptime. However, telephony systems also rely on electrical power, so a policy with UPS’s that correspond to the desired uptime is a must. Furthermore a POTS line, when down, is truly dead. With SIP trunks alternative backup solutions are available.

SIP trunking extends the notion of seamless connectivity within a business to customers, remote employees, and anyone working outside the corporate network. This is the next evolution of telecommunications – we look forward to sharing it with you.

Benefits

  • Eliminates costly PRI’s and POTS lines
  • No need to invest in PSTN gateways and additional line cards as you grow
  • Optimal utilization of bandwidth by delivering both data and voice in the same connection
  • Flexible termination of calls to preferred providers
  • Web interface provides easy administration
  • Redundancy with multiple service providers and links

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About the author

VCM Networks - VCM Networks provides industry leading technology products and solutions that enable our clients to communicate effectively and work efficiently. We are committed to providing solutions that reduce costs and solve business problems. As a full service providor VCM provides a complete portfolio of solutions and services including consultation, design, project management, installation, remote and onsite support, monitoring and maintenance.

3 Comments

  1. BlueHost Code 15/10/2011 23:06

    Thank you for sharing. Not to many people in your position are so gracious. Your article was very poignant and understandable. It helped me to understand very clearly. Thank you for your help.

    • VCM Networks 23/10/2011 18:02

      Thank you, please sign up for our newsletter to keep abreast of all our solutions.

  2. VCM Networks 23/10/2011 18:04

    Thanks for reading. Sure, you can attach to your blog.

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