It’s not a question of will you move to SIP, more when will you move? Uk Business have are moving from ISDN to SIP for a number of simple reasons
1. SIP Trunks typically save 50% on rentals over ISDN services
2. SIP Trunks have built-in disaster recovery so your business is always connected
3. SIP Trunks save on call spend as they include unlimited calls to UK 01,02,03 & 07 number
4. SIP is scalable and flexible
The beauty of SIP is that it is extremely easy to scale up or down depending on your business requirements. This is extremely useful to companies anticipating growth or the opposite. The ability to instantly add extra trunks as needed, depending on the volume of calls made and received, is what makes SIP trunking stand out to companies looking to increase their capacity to call out and receive calls simultaneously.
Additionally, SIP is extremely versatile, for example if a businesses moves premises and wants to keep their existing numbering structure. SIP trunking allows for the easy manipulation of outbound numbers- so, for example, if you have an office in Brighton but need your caller ID to be a London based number, then this is possible. Also, mobile devices can make calls as a particular number, no matter the user’s location.
To find out more about sip visit out SIP Trunks page
To read our white paper on ISDN to SIP click here ISDN to SIP CiaB eBook – Making the move from ISDN to SIP
For an overview of technical issues to consider when moving to SIP click here