* 500 SMS messages / second (sending and receiving) * 100 simultaneously connected applications 64+ concurrent SMSC connections * Support for multi core and multiprocessor systems * Support for 32bit and 64bit architectures * Works in virtualized environments as well (VMWare, KVM, Microsoft, Oracle and other virtualized systems)

* Bi-Directional Unicode - Messages are formatted to support non-English language and characters. * Message queuing - Logic to handle concurrent message requests. * SMS concatenation - Receive and send long, multi-part messages in the right order. * Global reach - One API that reaches nearly every country. * Picture messages - Send and receive pictures in the US and Canada. * Two-way API - Respond with TwiML and send with REST API. * Short Codes - 30 messages per second for time-sensitive SMS apps. * Track every message - Confirm message delivery with real-time status. * Set Maximum Price - Avoid expensive messages by creating a price limit.