SvSIP is a software that you allow to use your Nintendo DS  like phone. For this, it uses SIP protocol. This protocol is an open standard for creating, modifying, and terminating sessions with one or more participants. It is widely used as a signaling protocol for Voice over IP.
This software is under development, it currently allows:
- to call to number with figures,
- to receive calls,
- to question IVR by using DTMF tones.
If you appreciate this software you can contribute to its development in various manners by:
- translating this site,
- using SvSIP, and by transmitting the problems.
This software is provided as-is, without any express or implicit warranty. Don’t expect too much, and don’t blame author if it wrecks your flash cart or hardware.
For commercial use or for linker/game-card integration, you must get in touch with author to argue with him about condition.