Denphone | The Voice, Video & Network Specialists



Connect to Japan's Telephone Network and Save

Denphone IP Connectivity to Japan's telephone network

Denphone provides IP connectivity and DID numbers to the Japan telephone network. This service is offered though our hosted IP phone Gateway.

We also offer 0120 toll free numbers, over IAX protocol, SIP protocol, or forwarded over the telephone network.

SIP is a commonly used IP telephony protocol.

IAX is the native Asterisk IP telephony protocol.

Denphone K.K. is Japan's leading provider of open PC based VOIP Telephone PBX systems and solutions.

For more information, please contact Denphone K.K. at 03-4550-1405.

IAX CONNECT Brochure and application form

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Tel: +81-3-4550-1405 (Tokyo)

Tel: +81-6-4560-3200 (Osaka)

Fax: +81-3-6234-9666

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