If you have any requests or aquestions about contents on this site, please contact me by the below method. Also accepted the job request.

Send E-mail

Please send the e-mail filled in your requests to the below e-mail address.

E-mail Address


Make a Call or Send a Message

Please download the SIP App like Linphone, and send your message or make a call directly to the below SIP address. You can also make a call or send a message by activating SIP function on your mobile phone. (You need to get your SIP address offered by the providers such as Linphone:Belledonne Communications)

SIP Address


Download Linphone 

You can download Linphone via the below Linphone site.


For Android, iOS, macOS、Windows, Linux

Download Jami

You can download Jami via the below site.


For Android, iOS, macOS、Windows, Linux