SIP provides a more flexible alternative to ISDN for making business phone calls. Modern business is increasing its use of data services like email, the internet and online applications. Using SIP means your data connection can be used for voice too. A single, converged voice and data network costs less than separate network connections.
|You have seasonal or short term demands for increased voice capacity|
|You are purchasing a modern IP-PBX and wish to reduce its upfront and on-going cost|
|You want to keep your telephone number when you move business premises or close branch offices, even when moving out of the local exchange area|
|You want to consolidate multiple sites into a single network|
|Your business could benefit from a "virtual local presence", by using geographic number ranges outside your local area code|