3 Key Benefits of SIP Trunking

Posted by Comporium Business Services on Mar 2, 2015 5:36:42 PM

SIP Trunking Benefits2


By Barry Duncan, Business Sales Manager, Comporium



SIP (Session Initiated Protocol) trunking is a way of delivering voice channels that’s part of the larger migration from traditional legacy phone systems to hosted VoIP (Voice over Internet Protocol). This migration is not surprising given the many benefits of SIP trunking, which include:


  1. Save on capital expenses as well as monthly services.

If a business has an older phone system and is in the process of replacing the switch, the purchase of a new phone system that is capable of handling SIP trunks is often less expensive than a system that is “carded” for traditional phone lines and/or a PRI. This is because one port for Ethernet costs much less money than buying multiple cards for a legacy phone system. The intelligence between the phone switch and Comporium’s hosted VoIP central office provides the ability to access Ethernet technology to the phone system and connect multiple trunks. Another benefit of using SIP trunking that creates a savings is the ability to consolidate multiple services such as Internet and voice services over a single connection.


SIP trunking also saves businesses money compared to traditional monthly voice service expense. Let’s say a traditional business phone line is $45 per month. A SIP license, by contrast, is only $20-$25 per month.


  1. Gain more flexibility.

Because SIP trunks are IP-based, they are much more flexible than traditional “fixed” circuits such as T1 or PRI lines. SIP lines can be programmed so that if a given user is out of the office — or an entire office is out of commission due to a disaster — the lines roll over to other phones or devices.


  1. Scale as you grow.

You can easily adjust the size/quantity of your SIP Trunk connections to accommodate for variations in bandwidth requirements, such as to deal with seasonal changes in call volumes and Internet usage. Because SIP Trunks are virtual rather than physical, scaling and maintenance are much simpler. While traditional voice trunks require extensive circuit and termination point installations, SIP Trunks can be adjusted with only a software configuration change.


It’s an exciting time for voice services. If your business is thinking of a new phone system, it calls for a discussion of SIP trunking.

Topics: IP Trunking, SIP Trunking, Voice

Subscribe to our newsletter