Objective

To implement a Mitel VoIP phone system to replace their previous analog PBX in Tokyo.

• 2x KVH PRI trunk connection to the Japan PSTN
• 200 Mitel IP phones for staff based in Tokyo

Solution

Denphone assisted Australia based Ethan Group to install a two server Mitel based PBX system in the Robert Walters Tokyo office. Connections were made to the KVH Phone network via two PRI ports. 200 Mitel IP phones in two separate buildings were connected to the PBX Servers.

Objective

To implement an Ericsson VoIP phone system to replace their old analog PBX in Shiga prefecture.

• 2x INS1500 PRI trunk connection to the Japan PSTN
• 200 Ericsson IP phones for staff based in factory and office
• 2 PRI port Voxstream J1-E1 gateway

Solution

Denphone assisted HP/Damovo/NPV in the installation of a two server (primary/hot standby) Ericsson based PBX system. Connections were made to the NTT Phone network via a PRI card. 200 Ericsson IP phones were connected to the MX-ONE Servers, and a Voxstream 2 port PRI gateway was used to connect to NTT INS1500 lines. Analog devices were also connected to the MX-ONE unit.

Objective

To implement a VoIP capable phone system to replace their old expensive analog PBX in Tokyo.

• INS1500 PRI trunk connection to the Japan PSTN
• INS64 BRI ISDN backup connection to the Japan PSTN
• 220 Cisco IP phones for staff based in Tokyo
• 24 port Audiocode analog gateway

Solution

Denphone installed a three server load-balanced Asterisk based PBX system in the UNU Tokyo office. Connections were made to the NTT Phone network via a PRI card. 220 Cisco 7941 IP phones were connected to the Asterisk Servers, and an Audiocodes 24 port analog gateway was used to connect to six internal PBXs in other small offices in the building. Analog devices were also connected to the Audiocodes unit.

Objective

To connect an Asterisk system to a large data centre based phone switch.

• INS1500 PRI connection to a large phone switch

Solution

Denphone analyzed the protocol differences between the Asterisk PRI implementation and the phone switch PRI implementation. The Asterisk driver was modified to resolve the mismatch and enable the two systems to route calls.

Objective

To rollout a 150 phone managed VoIP PBX solution in Tokyo.

• INS1500 PRI connection to the Japan PSTN
• IP connection to a second office in Tokyo

Solution

Denphone worked with the Asia project team, comprising both internal staff and external vendors, to install a redundant Asterisk based PBX system (with third party GUI) in the firm's Tokyo office. Connections were made to the PSTN via a third party INS1500 gateway.

Objective

To implement a VoIP capable phone system to replace their old expensive analog PBX in Kyoto.

• INS64 BRI connection to the Japan PSTN
• IP phones for staff based in Tokyo

Solution

Denphone installed an Asterisk based PBX system in the firm's Kyoto office. Connections were made to the NTT Phone network via an ISDN BRI card. Polycom IP phones were connected to the Asterisk Server, and a combination of Digium IAXy devices and Polycom IP phones were configured for use in the remote locations.

Objective

To implement a dialin voice gateway to their existing non-VoIP PBX in Tokyo. This enabled on-site engineers to reduce mobile phone charges for overseas calls.

• INS1500 PRI connection to the existing PBX
• Secure Dialin Gateway

Solution

Denphone installed an Asterisk server in the firm's Tokyo office. Connections were made to the inhouse PBX system via a PRI card. A secure dialin menu system was developed to validate inbound callers, and provide them with outbound calling capability.

Objective

To implement a VoIP capable phone system to replace their old expensive analog PBX in Tokyo.

• INS1500 PRI connection to the Japan phone network
• Polycom handsets
• Customized Voice prompts
• Multi-tenant

Solution

Denphone installed an Asterisk server in the firm's Tokyo office. Connections were made to the NTT Phone network via an PRI card. Polycom IP phones were connected to the Asterisk Server. Customized voice prompts were recorded by a professional voice talent and used to direct inbound calls. The system is used by more than one company, a so-called multi-Tenant deployment.

Objective

To implement a VoIP capable phone system to replace their old analog PBX in Tokyo which failed.

• ISDN connection to the Japan phone network
• Cisco handsets

Solution

Denphone installed an Asterisk server in the Embassy's Roppongi Tokyo office. Connections were made to the NTT Phone network via an ISDN BRI card. Cisco IP phones were connected to the Asterisk Server. The system was up and running within a day or so of the old PBX failure.

Objective

To implement a low cost VoIP capable phone system to the company's outbound call centre in Tokyo.

• ISDN connection to the Japan phone network
• SIP connections to a VoIP provider
• Grandstream handsets

Solution

Denphone installed an Asterisk server in the firm's new Tokyo office. Connections were made to the NTT Phone network via an ISDN BRI card. Connections were also made to a VoIP provider using SIP protocol. Grandstream IP phones were connected to the Asterisk Server. A total of 40+ outbound voice channels were installed.