VoIP and SIP solution provider SimpleSignal today announced its On Demand overflow calling feature for inbound and outbound business VoIP communications.
The feature instantly adds additional VoIP capacity for making outbound calls and receiving incoming calls when the normal service capacity is reached. There are no service limitations on the capacity on the number incoming or outgoing calls.
SimpleSignal On Demand works with any SIP-compatible IP-PBX system or SIP device or with an additional add-on IAD device for older systems. The service is available in all cities in the U.S. and Canada with unlimited incoming and local calls including the free bonus features.