September 13th, 2016 by adminThe number one attraction to SIP trunks is cheaper dial tone. And cheaper long distance rates – some are bundled with unlimited LD packages! When SIP trunks were first introduced, they had a bad rep because they had big problems with standards. Every SIP provider had significantly different codes which made the integration painful. For example, the provider might take two or three days tweaking things to have the integration working at all. Then, when it was up and running, there were still issues with dropped calls and missing ring tones. When a ring tone is missing when you are transferred to another person, you think you have been hung up on. There were a myriad of these types of issues driving the early adopters crazy. And it did not end soon. This was 10 to 12 years ago. Today, SIP trunks have come of age as they are Enterprise ready and the "way of the future." They are reliable, have the bugs worked out and, for the most part, the integration (setup) is easy. Most integrations need a SIParator to translate the individual carrier's SIP flavor to the particular phone systems. This is either provided on the carrier side or the Premise equipment side, depending on the specifics involved. The improvement of the SIParator was the key, in my opinion, to removing the myriad of issues in the finite detail of the signaling/integration challenges in the early SIP era.
A couple great SIP trunk features that are not available with PRI’s are:
- The ability for an automatic failover from one SIP Trunk to another even if they are in different area codes! A PRI can’t do that.
- Another big advantage is the fact that you can order a trunk group today and have it in 2 or 3 days (sometimes) instead of 30-45 days or longer with PRI Carriers.
- Another great feature is you can scale up one trunk at a time or scale back one trunk at a time. This improves efficiency - only paying for what you need.
- And if you set things up correctly, you can engineer in a burst-ability feature. Meaning if you have ten trunks and all of a sudden because of a promo or seasonal changes you experience a peak usage of 15, you can be charged for 15 trunks that month and then the next month, if you don’t use those, the bill reverts back to your regular 10 trunk bill.
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